Home / 80,284.10-120,432.38-24,119.82

Finding the Fourth Proportional to 80,284.10, 120,432.38 and 24,119.82

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Solution

The fourth proportional to 80,284.10, 120,432.38 and 24,119.82 is: 36,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,284.10 : 120,432.38 = 24,119.82 : x
  2. Step 2: Convert to fraction form
    80,284.10/120,432.38 = 24,119.82/x
  3. Step 3: Cross multiply
    80,284.10x = 120,432.38 × 24,119.82
  4. Step 4: Simplify right side
    80,284.10x = 2,904,807,207.17
  5. Step 5: Solve for x
    x = 2,904,807,207.17/80,284.10
  6. Step 6: Final answer
    x = 36,181.60

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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.