Finding the Fourth Proportional to 134,581.68, 185,613.66 and 118,414.08
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Solution
The fourth proportional to 134,581.68, 185,613.66 and 118,414.08 is: 163,315.47
Step by Step Solution
- Step 1: Write the proportion equation
134,581.68 : 185,613.66 = 118,414.08 : x - Step 2: Convert to fraction form
134,581.68/185,613.66 = 118,414.08/x - Step 3: Cross multiply
134,581.68x = 185,613.66 × 118,414.08 - Step 4: Simplify right side
134,581.68x = 21,979,270,784.33 - Step 5: Solve for x
x = 21,979,270,784.33/134,581.68 - Step 6: Final answer
x = 163,315.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.