Home / 80,174.91-120,261.10-27,584.85

Finding the Fourth Proportional to 80,174.91, 120,261.10 and 27,584.85

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Solution

The fourth proportional to 80,174.91, 120,261.10 and 27,584.85 is: 41,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,174.91 : 120,261.10 = 27,584.85 : x
  2. Step 2: Convert to fraction form
    80,174.91/120,261.10 = 27,584.85/x
  3. Step 3: Cross multiply
    80,174.91x = 120,261.10 × 27,584.85
  4. Step 4: Simplify right side
    80,174.91x = 3,317,384,404.34
  5. Step 5: Solve for x
    x = 3,317,384,404.34/80,174.91
  6. Step 6: Final answer
    x = 41,376.84

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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.