Home / 267,087.20-400,579.68-80,098.72

Finding the Fourth Proportional to 267,087.20, 400,579.68 and 80,098.72

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Solution

The fourth proportional to 267,087.20, 400,579.68 and 80,098.72 is: 120,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,087.20 : 400,579.68 = 80,098.72 : x
  2. Step 2: Convert to fraction form
    267,087.20/400,579.68 = 80,098.72/x
  3. Step 3: Cross multiply
    267,087.20x = 400,579.68 × 80,098.72
  4. Step 4: Simplify right side
    267,087.20x = 32,085,919,626.01
  5. Step 5: Solve for x
    x = 32,085,919,626.01/267,087.20
  6. Step 6: Final answer
    x = 120,132.75

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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.