Home / 132,130.38-198,251.10-82,252.20

Finding the Fourth Proportional to 132,130.38, 198,251.10 and 82,252.20

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Solution

The fourth proportional to 132,130.38, 198,251.10 and 82,252.20 is: 123,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,130.38 : 198,251.10 = 82,252.20 : x
  2. Step 2: Convert to fraction form
    132,130.38/198,251.10 = 82,252.20/x
  3. Step 3: Cross multiply
    132,130.38x = 198,251.10 × 82,252.20
  4. Step 4: Simplify right side
    132,130.38x = 16,306,589,127.42
  5. Step 5: Solve for x
    x = 16,306,589,127.42/132,130.38
  6. Step 6: Final answer
    x = 123,412.87

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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.