Home / 129,158.12-193,731.92-44,937.56

Finding the Fourth Proportional to 129,158.12, 193,731.92 and 44,937.56

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Solution

The fourth proportional to 129,158.12, 193,731.92 and 44,937.56 is: 67,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,158.12 : 193,731.92 = 44,937.56 : x
  2. Step 2: Convert to fraction form
    129,158.12/193,731.92 = 44,937.56/x
  3. Step 3: Cross multiply
    129,158.12x = 193,731.92 × 44,937.56
  4. Step 4: Simplify right side
    129,158.12x = 8,705,839,778.92
  5. Step 5: Solve for x
    x = 8,705,839,778.92/129,158.12
  6. Step 6: Final answer
    x = 67,404.51

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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.