Home / 138,025.11-207,037.68-43,255.26

Finding the Fourth Proportional to 138,025.11, 207,037.68 and 43,255.26

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Solution

The fourth proportional to 138,025.11, 207,037.68 and 43,255.26 is: 64,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,025.11 : 207,037.68 = 43,255.26 : x
  2. Step 2: Convert to fraction form
    138,025.11/207,037.68 = 43,255.26/x
  3. Step 3: Cross multiply
    138,025.11x = 207,037.68 × 43,255.26
  4. Step 4: Simplify right side
    138,025.11x = 8,955,468,678.20
  5. Step 5: Solve for x
    x = 8,955,468,678.20/138,025.11
  6. Step 6: Final answer
    x = 64,882.89

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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.