Home / 102,542.70-153,900.45-49,997.10

Finding the Fourth Proportional to 102,542.70, 153,900.45 and 49,997.10

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Solution

The fourth proportional to 102,542.70, 153,900.45 and 49,997.10 is: 75,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,542.70 : 153,900.45 = 49,997.10 : x
  2. Step 2: Convert to fraction form
    102,542.70/153,900.45 = 49,997.10/x
  3. Step 3: Cross multiply
    102,542.70x = 153,900.45 × 49,997.10
  4. Step 4: Simplify right side
    102,542.70x = 7,694,576,188.70
  5. Step 5: Solve for x
    x = 7,694,576,188.70/102,542.70
  6. Step 6: Final answer
    x = 75,037.78

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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.