Question

determine 15,45,40,120 are in proportion or not
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Answer 1

Step-by-step explanation:

divide both the extreme term and both the middle term if the answer are same they are in proportion

Answer 2

Ratio of 15 & 45 Ratio of 40 & 120

$∴ \frac{15}{45} = \frac{1}{3} \: \: \: \: \: ∴ \frac{40}{120} = \frac{1}{3}$

∴ 15,45,40,120 are in Proportion