Home / 129,856.97-194,791.03-50,988.29

Finding the Fourth Proportional to 129,856.97, 194,791.03 and 50,988.29

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Solution

The fourth proportional to 129,856.97, 194,791.03 and 50,988.29 is: 76,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,856.97 : 194,791.03 = 50,988.29 : x
  2. Step 2: Convert to fraction form
    129,856.97/194,791.03 = 50,988.29/x
  3. Step 3: Cross multiply
    129,856.97x = 194,791.03 × 50,988.29
  4. Step 4: Simplify right side
    129,856.97x = 9,932,060,425.61
  5. Step 5: Solve for x
    x = 9,932,060,425.61/129,856.97
  6. Step 6: Final answer
    x = 76,484.61

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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.