Home / 104,219.12-156,350.68-40,178.90

Finding the Fourth Proportional to 104,219.12, 156,350.68 and 40,178.90

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Solution

The fourth proportional to 104,219.12, 156,350.68 and 40,178.90 is: 60,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,219.12 : 156,350.68 = 40,178.90 : x
  2. Step 2: Convert to fraction form
    104,219.12/156,350.68 = 40,178.90/x
  3. Step 3: Cross multiply
    104,219.12x = 156,350.68 × 40,178.90
  4. Step 4: Simplify right side
    104,219.12x = 6,281,998,627.08
  5. Step 5: Solve for x
    x = 6,281,998,627.08/104,219.12
  6. Step 6: Final answer
    x = 60,276.83

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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.