Home / 80,177.97-120,265.67-27,587.91

Finding the Fourth Proportional to 80,177.97, 120,265.67 and 27,587.91

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Solution

The fourth proportional to 80,177.97, 120,265.67 and 27,587.91 is: 41,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,177.97 : 120,265.67 = 27,587.91 : x
  2. Step 2: Convert to fraction form
    80,177.97/120,265.67 = 27,587.91/x
  3. Step 3: Cross multiply
    80,177.97x = 120,265.67 × 27,587.91
  4. Step 4: Simplify right side
    80,177.97x = 3,317,878,342.11
  5. Step 5: Solve for x
    x = 3,317,878,342.11/80,177.97
  6. Step 6: Final answer
    x = 41,381.42

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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.