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Finding the Fourth Proportional to 80,305.65, 120,453.87 and 24,144.66

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Solution

The fourth proportional to 80,305.65, 120,453.87 and 24,144.66 is: 36,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,305.65 : 120,453.87 = 24,144.66 : x
  2. Step 2: Convert to fraction form
    80,305.65/120,453.87 = 24,144.66/x
  3. Step 3: Cross multiply
    80,305.65x = 120,453.87 × 24,144.66
  4. Step 4: Simplify right side
    80,305.65x = 2,908,317,736.83
  5. Step 5: Solve for x
    x = 2,908,317,736.83/80,305.65
  6. Step 6: Final answer
    x = 36,215.61

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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.