Home / 129,502.38-194,102-49,487.95

Finding the Fourth Proportional to 129,502.38, 194,102 and 49,487.95

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Solution

The fourth proportional to 129,502.38, 194,102 and 49,487.95 is: 74,174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,502.38 : 194,102 = 49,487.95 : x
  2. Step 2: Convert to fraction form
    129,502.38/194,102 = 49,487.95/x
  3. Step 3: Cross multiply
    129,502.38x = 194,102 × 49,487.95
  4. Step 4: Simplify right side
    129,502.38x = 9,605,710,070.90
  5. Step 5: Solve for x
    x = 9,605,710,070.90/129,502.38
  6. Step 6: Final answer
    x = 74,174.00

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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.