Home / 80,213.55-120,438.60-44,744.17

Finding the Fourth Proportional to 80,213.55, 120,438.60 and 44,744.17

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Solution

The fourth proportional to 80,213.55, 120,438.60 and 44,744.17 is: 67,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,213.55 : 120,438.60 = 44,744.17 : x
  2. Step 2: Convert to fraction form
    80,213.55/120,438.60 = 44,744.17/x
  3. Step 3: Cross multiply
    80,213.55x = 120,438.60 × 44,744.17
  4. Step 4: Simplify right side
    80,213.55x = 5,388,924,367.05
  5. Step 5: Solve for x
    x = 5,388,924,367.05/80,213.55
  6. Step 6: Final answer
    x = 67,182.22

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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.