Home / 137,464.56-206,164.68-77,518.92

Finding the Fourth Proportional to 137,464.56, 206,164.68 and 77,518.92

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Solution

The fourth proportional to 137,464.56, 206,164.68 and 77,518.92 is: 116,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,464.56 : 206,164.68 = 77,518.92 : x
  2. Step 2: Convert to fraction form
    137,464.56/206,164.68 = 77,518.92/x
  3. Step 3: Cross multiply
    137,464.56x = 206,164.68 × 77,518.92
  4. Step 4: Simplify right side
    137,464.56x = 15,981,663,335.75
  5. Step 5: Solve for x
    x = 15,981,663,335.75/137,464.56
  6. Step 6: Final answer
    x = 116,260.24

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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.