Home / 80,179.72-120,245.26-27,558.92

Finding the Fourth Proportional to 80,179.72, 120,245.26 and 27,558.92

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Solution

The fourth proportional to 80,179.72, 120,245.26 and 27,558.92 is: 41,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,179.72 : 120,245.26 = 27,558.92 : x
  2. Step 2: Convert to fraction form
    80,179.72/120,245.26 = 27,558.92/x
  3. Step 3: Cross multiply
    80,179.72x = 120,245.26 × 27,558.92
  4. Step 4: Simplify right side
    80,179.72x = 3,313,829,500.72
  5. Step 5: Solve for x
    x = 3,313,829,500.72/80,179.72
  6. Step 6: Final answer
    x = 41,330.02

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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.