Home / 80,149.32-120,215.88-27,562.50

Finding the Fourth Proportional to 80,149.32, 120,215.88 and 27,562.50

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Solution

The fourth proportional to 80,149.32, 120,215.88 and 27,562.50 is: 41,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,149.32 : 120,215.88 = 27,562.50 : x
  2. Step 2: Convert to fraction form
    80,149.32/120,215.88 = 27,562.50/x
  3. Step 3: Cross multiply
    80,149.32x = 120,215.88 × 27,562.50
  4. Step 4: Simplify right side
    80,149.32x = 3,313,450,192.50
  5. Step 5: Solve for x
    x = 3,313,450,192.50/80,149.32
  6. Step 6: Final answer
    x = 41,340.96

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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.