Finding the Fourth Proportional to 135,037.10, 202,555.65 and 84,954.80
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Solution
The fourth proportional to 135,037.10, 202,555.65 and 84,954.80 is: 127,432.20
Step by Step Solution
- Step 1: Write the proportion equation
135,037.10 : 202,555.65 = 84,954.80 : x - Step 2: Convert to fraction form
135,037.10/202,555.65 = 84,954.80/x - Step 3: Cross multiply
135,037.10x = 202,555.65 × 84,954.80 - Step 4: Simplify right side
135,037.10x = 17,208,074,734.62 - Step 5: Solve for x
x = 17,208,074,734.62/135,037.10 - Step 6: Final answer
x = 127,432.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.