Home / 102,126.32-140,929.78-59,098.92

Finding the Fourth Proportional to 102,126.32, 140,929.78 and 59,098.92

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Solution

The fourth proportional to 102,126.32, 140,929.78 and 59,098.92 is: 81,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,126.32 : 140,929.78 = 59,098.92 : x
  2. Step 2: Convert to fraction form
    102,126.32/140,929.78 = 59,098.92/x
  3. Step 3: Cross multiply
    102,126.32x = 140,929.78 × 59,098.92
  4. Step 4: Simplify right side
    102,126.32x = 8,328,797,793.84
  5. Step 5: Solve for x
    x = 8,328,797,793.84/102,126.32
  6. Step 6: Final answer
    x = 81,553.88

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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.