The word(s) "portion" appears 57 time(s) in 51 verse(s) in Quran in Abdullah Yusuf Ali translation.

(41) Verily, all things have We created in proportion and measure.

(42) O ye that believe! Fear Allah, and believe in His Messenger, and He will bestow on you a double portion of His Mercy: He will provide for you a Light by which ye shall walk (straight in your path), and He will forgive you (your past): for Allah is Oft-Forgiving, Most Merciful.

(43) O ye who believe! Be ye helpers of Allah: As said Jesus the son of Mary to the Disciples, "Who will be my helpers to (the work of) Allah?" Said the disciples, "We are Allah's helpers!" then a portion of the Children of Israel believed, and a portion disbelieved: But We gave power to those who believed, against their enemies, and they became the ones that prevailed.

(44) He has created the heavens and the earth in just proportions, and has given you shape, and made your shapes beautiful: and to Him is the final Goal.

(45) And He provides for him from (sources) he never could imagine. And if any one puts his trust in Allah, sufficient is (Allah) for him. For Allah will surely accomplish his purpose: verily, for all things has Allah appointed a due proportion.

(46) He Who created the seven heavens one above another: No want of proportion wilt thou see in the Creation of (Allah) Most Gracious. So turn thy vision again: seest thou any flaw?

(47) Then did he become a leech-like clot; then did (Allah) make and fashion (him) in due proportion.

(48) From a sperm-drop: He hath created him, and then mouldeth him in due proportions;

(49) Him Who created thee. Fashioned thee in due proportion, and gave thee a just bias;

(50) Who hath created, and further, given order and proportion;