Home / 80,397.68-120,594.04-21,233.66

Finding the Fourth Proportional to 80,397.68, 120,594.04 and 21,233.66

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Solution

The fourth proportional to 80,397.68, 120,594.04 and 21,233.66 is: 31,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,397.68 : 120,594.04 = 21,233.66 : x
  2. Step 2: Convert to fraction form
    80,397.68/120,594.04 = 21,233.66/x
  3. Step 3: Cross multiply
    80,397.68x = 120,594.04 × 21,233.66
  4. Step 4: Simplify right side
    80,397.68x = 2,560,652,187.33
  5. Step 5: Solve for x
    x = 2,560,652,187.33/80,397.68
  6. Step 6: Final answer
    x = 31,849.83

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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.