Home / 80,177.28-120,264.66-27,587.22

Finding the Fourth Proportional to 80,177.28, 120,264.66 and 27,587.22

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Solution

The fourth proportional to 80,177.28, 120,264.66 and 27,587.22 is: 41,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,177.28 : 120,264.66 = 27,587.22 : x
  2. Step 2: Convert to fraction form
    80,177.28/120,264.66 = 27,587.22/x
  3. Step 3: Cross multiply
    80,177.28x = 120,264.66 × 27,587.22
  4. Step 4: Simplify right side
    80,177.28x = 3,317,767,633.65
  5. Step 5: Solve for x
    x = 3,317,767,633.65/80,177.28
  6. Step 6: Final answer
    x = 41,380.40

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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.