Home / 204,864.93-307,108.13-129,757.95

Finding the Fourth Proportional to 204,864.93, 307,108.13 and 129,757.95

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Solution

The fourth proportional to 204,864.93, 307,108.13 and 129,757.95 is: 194,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,864.93 : 307,108.13 = 129,757.95 : x
  2. Step 2: Convert to fraction form
    204,864.93/307,108.13 = 129,757.95/x
  3. Step 3: Cross multiply
    204,864.93x = 307,108.13 × 129,757.95
  4. Step 4: Simplify right side
    204,864.93x = 39,849,720,728.34
  5. Step 5: Solve for x
    x = 39,849,720,728.34/204,864.93
  6. Step 6: Final answer
    x = 194,517.04

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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.