Home / 220,974.20-331,242.60-108,562.40

Finding the Fourth Proportional to 220,974.20, 331,242.60 and 108,562.40

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Solution

The fourth proportional to 220,974.20, 331,242.60 and 108,562.40 is: 162,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,974.20 : 331,242.60 = 108,562.40 : x
  2. Step 2: Convert to fraction form
    220,974.20/331,242.60 = 108,562.40/x
  3. Step 3: Cross multiply
    220,974.20x = 331,242.60 × 108,562.40
  4. Step 4: Simplify right side
    220,974.20x = 35,960,491,638.24
  5. Step 5: Solve for x
    x = 35,960,491,638.24/220,974.20
  6. Step 6: Final answer
    x = 162,736.15

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1.5x scale

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.