Home / 218,799.92-301,972.10-123,337.37

Finding the Fourth Proportional to 218,799.92, 301,972.10 and 123,337.37

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Solution

The fourth proportional to 218,799.92, 301,972.10 and 123,337.37 is: 170,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,799.92 : 301,972.10 = 123,337.37 : x
  2. Step 2: Convert to fraction form
    218,799.92/301,972.10 = 123,337.37/x
  3. Step 3: Cross multiply
    218,799.92x = 301,972.10 × 123,337.37
  4. Step 4: Simplify right side
    218,799.92x = 37,244,442,500.83
  5. Step 5: Solve for x
    x = 37,244,442,500.83/218,799.92
  6. Step 6: Final answer
    x = 170,221.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.