Question

Determine 15, 45, 40, 120 are in proportion or not.

Answer 1

Answer:

15:45 = 40:120

Step-by-step explanation:

15, 45, 40, 120

⇒ 15 / 45 = 1 / 3 = 1:3

⇒ 40 / 120 = 1 / 3 = 1:3

Hence, 15:45 = 40:120

Therefore 15, 45, 40, 120 are in proportion

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