Home / 508,124.08-762,186.40-129,073.24

Finding the Fourth Proportional to 508,124.08, 762,186.40 and 129,073.24

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Solution

The fourth proportional to 508,124.08, 762,186.40 and 129,073.24 is: 193,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,124.08 : 762,186.40 = 129,073.24 : x
  2. Step 2: Convert to fraction form
    508,124.08/762,186.40 = 129,073.24/x
  3. Step 3: Cross multiply
    508,124.08x = 762,186.40 × 129,073.24
  4. Step 4: Simplify right side
    508,124.08x = 98,377,868,131.94
  5. Step 5: Solve for x
    x = 98,377,868,131.94/508,124.08
  6. Step 6: Final answer
    x = 193,609.93

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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.