Home / 104,221.12-156,353.68-40,180.90

Finding the Fourth Proportional to 104,221.12, 156,353.68 and 40,180.90

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Solution

The fourth proportional to 104,221.12, 156,353.68 and 40,180.90 is: 60,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,221.12 : 156,353.68 = 40,180.90 : x
  2. Step 2: Convert to fraction form
    104,221.12/156,353.68 = 40,180.90/x
  3. Step 3: Cross multiply
    104,221.12x = 156,353.68 × 40,180.90
  4. Step 4: Simplify right side
    104,221.12x = 6,282,431,580.71
  5. Step 5: Solve for x
    x = 6,282,431,580.71/104,221.12
  6. Step 6: Final answer
    x = 60,279.83

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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.