Home / 106,747.11-159,997.39-40,144.73

Finding the Fourth Proportional to 106,747.11, 159,997.39 and 40,144.73

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Solution

The fourth proportional to 106,747.11, 159,997.39 and 40,144.73 is: 60,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,747.11 : 159,997.39 = 40,144.73 : x
  2. Step 2: Convert to fraction form
    106,747.11/159,997.39 = 40,144.73/x
  3. Step 3: Cross multiply
    106,747.11x = 159,997.39 × 40,144.73
  4. Step 4: Simplify right side
    106,747.11x = 6,423,051,121.91
  5. Step 5: Solve for x
    x = 6,423,051,121.91/106,747.11
  6. Step 6: Final answer
    x = 60,170.73

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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.