Home / 80,233.20-120,315.68-24,081.28

Finding the Fourth Proportional to 80,233.20, 120,315.68 and 24,081.28

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Solution

The fourth proportional to 80,233.20, 120,315.68 and 24,081.28 is: 36,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,233.20 : 120,315.68 = 24,081.28 : x
  2. Step 2: Convert to fraction form
    80,233.20/120,315.68 = 24,081.28/x
  3. Step 3: Cross multiply
    80,233.20x = 120,315.68 × 24,081.28
  4. Step 4: Simplify right side
    80,233.20x = 2,897,355,578.47
  5. Step 5: Solve for x
    x = 2,897,355,578.47/80,233.20
  6. Step 6: Final answer
    x = 36,111.68

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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.