Home / 129,312.52-178,539.12-95,324.92

Finding the Fourth Proportional to 129,312.52, 178,539.12 and 95,324.92

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Solution

The fourth proportional to 129,312.52, 178,539.12 and 95,324.92 is: 131,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,312.52 : 178,539.12 = 95,324.92 : x
  2. Step 2: Convert to fraction form
    129,312.52/178,539.12 = 95,324.92/x
  3. Step 3: Cross multiply
    129,312.52x = 178,539.12 × 95,324.92
  4. Step 4: Simplify right side
    129,312.52x = 17,019,227,330.87
  5. Step 5: Solve for x
    x = 17,019,227,330.87/129,312.52
  6. Step 6: Final answer
    x = 131,613.14

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1.5x scale

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.