Home / 129,553.59-194,166.66-69,432.66

Finding the Fourth Proportional to 129,553.59, 194,166.66 and 69,432.66

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Solution

The fourth proportional to 129,553.59, 194,166.66 and 69,432.66 is: 104,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,553.59 : 194,166.66 = 69,432.66 : x
  2. Step 2: Convert to fraction form
    129,553.59/194,166.66 = 69,432.66/x
  3. Step 3: Cross multiply
    129,553.59x = 194,166.66 × 69,432.66
  4. Step 4: Simplify right side
    129,553.59x = 13,481,507,687.12
  5. Step 5: Solve for x
    x = 13,481,507,687.12/129,553.59
  6. Step 6: Final answer
    x = 104,061.24

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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.