Home / 90,380.52-135,543.41-27,183.86

Finding the Fourth Proportional to 90,380.52, 135,543.41 and 27,183.86

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Solution

The fourth proportional to 90,380.52, 135,543.41 and 27,183.86 is: 40,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,380.52 : 135,543.41 = 27,183.86 : x
  2. Step 2: Convert to fraction form
    90,380.52/135,543.41 = 27,183.86/x
  3. Step 3: Cross multiply
    90,380.52x = 135,543.41 × 27,183.86
  4. Step 4: Simplify right side
    90,380.52x = 3,684,592,267.73
  5. Step 5: Solve for x
    x = 3,684,592,267.73/90,380.52
  6. Step 6: Final answer
    x = 40,767.55

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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.