Home / 445,191.12-667,780.56-108,230.85

Finding the Fourth Proportional to 445,191.12, 667,780.56 and 108,230.85

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Solution

The fourth proportional to 445,191.12, 667,780.56 and 108,230.85 is: 162,344.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,191.12 : 667,780.56 = 108,230.85 : x
  2. Step 2: Convert to fraction form
    445,191.12/667,780.56 = 108,230.85/x
  3. Step 3: Cross multiply
    445,191.12x = 667,780.56 × 108,230.85
  4. Step 4: Simplify right side
    445,191.12x = 72,274,457,622.28
  5. Step 5: Solve for x
    x = 72,274,457,622.28/445,191.12
  6. Step 6: Final answer
    x = 162,344.79

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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.