Finding the Fourth Proportional to 156,726.24, 235,129.14 and 72,547.08
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Solution
The fourth proportional to 156,726.24, 235,129.14 and 72,547.08 is: 108,839.03
Step by Step Solution
- Step 1: Write the proportion equation
156,726.24 : 235,129.14 = 72,547.08 : x - Step 2: Convert to fraction form
156,726.24/235,129.14 = 72,547.08/x - Step 3: Cross multiply
156,726.24x = 235,129.14 × 72,547.08 - Step 4: Simplify right side
156,726.24x = 17,057,932,529.91 - Step 5: Solve for x
x = 17,057,932,529.91/156,726.24 - Step 6: Final answer
x = 108,839.03
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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.