Home / 187,379.28-281,098.32-80,793.54

Finding the Fourth Proportional to 187,379.28, 281,098.32 and 80,793.54

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Solution

The fourth proportional to 187,379.28, 281,098.32 and 80,793.54 is: 121,202.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,379.28 : 281,098.32 = 80,793.54 : x
  2. Step 2: Convert to fraction form
    187,379.28/281,098.32 = 80,793.54/x
  3. Step 3: Cross multiply
    187,379.28x = 281,098.32 × 80,793.54
  4. Step 4: Simplify right side
    187,379.28x = 22,710,928,360.85
  5. Step 5: Solve for x
    x = 22,710,928,360.85/187,379.28
  6. Step 6: Final answer
    x = 121,202.99

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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.