Home / 508,111.29-762,167.21-129,060.45

Finding the Fourth Proportional to 508,111.29, 762,167.21 and 129,060.45

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Solution

The fourth proportional to 508,111.29, 762,167.21 and 129,060.45 is: 193,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,111.29 : 762,167.21 = 129,060.45 : x
  2. Step 2: Convert to fraction form
    508,111.29/762,167.21 = 129,060.45/x
  3. Step 3: Cross multiply
    508,111.29x = 762,167.21 × 129,060.45
  4. Step 4: Simplify right side
    508,111.29x = 98,365,642,452.54
  5. Step 5: Solve for x
    x = 98,365,642,452.54/508,111.29
  6. Step 6: Final answer
    x = 193,590.74

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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.