Home / 80,291.69-120,437.18-24,131.55

Finding the Fourth Proportional to 80,291.69, 120,437.18 and 24,131.55

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Solution

The fourth proportional to 80,291.69, 120,437.18 and 24,131.55 is: 36,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,291.69 : 120,437.18 = 24,131.55 : x
  2. Step 2: Convert to fraction form
    80,291.69/120,437.18 = 24,131.55/x
  3. Step 3: Cross multiply
    80,291.69x = 120,437.18 × 24,131.55
  4. Step 4: Simplify right side
    80,291.69x = 2,906,336,252.50
  5. Step 5: Solve for x
    x = 2,906,336,252.50/80,291.69
  6. Step 6: Final answer
    x = 36,197.22

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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.