Home / 138,183.92-207,252.68-38,354.25

Finding the Fourth Proportional to 138,183.92, 207,252.68 and 38,354.25

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Solution

The fourth proportional to 138,183.92, 207,252.68 and 38,354.25 is: 57,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,183.92 : 207,252.68 = 38,354.25 : x
  2. Step 2: Convert to fraction form
    138,183.92/207,252.68 = 38,354.25/x
  3. Step 3: Cross multiply
    138,183.92x = 207,252.68 × 38,354.25
  4. Step 4: Simplify right side
    138,183.92x = 7,949,021,101.89
  5. Step 5: Solve for x
    x = 7,949,021,101.89/138,183.92
  6. Step 6: Final answer
    x = 57,524.94

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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.