Home / 120,517.08-180,792.54-50,380.44

Finding the Fourth Proportional to 120,517.08, 180,792.54 and 50,380.44

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Solution

The fourth proportional to 120,517.08, 180,792.54 and 50,380.44 is: 75,577.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,517.08 : 180,792.54 = 50,380.44 : x
  2. Step 2: Convert to fraction form
    120,517.08/180,792.54 = 50,380.44/x
  3. Step 3: Cross multiply
    120,517.08x = 180,792.54 × 50,380.44
  4. Step 4: Simplify right side
    120,517.08x = 9,108,407,713.92
  5. Step 5: Solve for x
    x = 9,108,407,713.92/120,517.08
  6. Step 6: Final answer
    x = 75,577.73

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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.