Home / 138,793.32-208,230.62-50,045.16

Finding the Fourth Proportional to 138,793.32, 208,230.62 and 50,045.16

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Solution

The fourth proportional to 138,793.32, 208,230.62 and 50,045.16 is: 75,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,793.32 : 208,230.62 = 50,045.16 : x
  2. Step 2: Convert to fraction form
    138,793.32/208,230.62 = 50,045.16/x
  3. Step 3: Cross multiply
    138,793.32x = 208,230.62 × 50,045.16
  4. Step 4: Simplify right side
    138,793.32x = 10,420,934,694.80
  5. Step 5: Solve for x
    x = 10,420,934,694.80/138,793.32
  6. Step 6: Final answer
    x = 75,082.39

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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.