Home / 120,355.20-180,561.60-50,195.52

Finding the Fourth Proportional to 120,355.20, 180,561.60 and 50,195.52

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Solution

The fourth proportional to 120,355.20, 180,561.60 and 50,195.52 is: 75,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,355.20 : 180,561.60 = 50,195.52 : x
  2. Step 2: Convert to fraction form
    120,355.20/180,561.60 = 50,195.52/x
  3. Step 3: Cross multiply
    120,355.20x = 180,561.60 × 50,195.52
  4. Step 4: Simplify right side
    120,355.20x = 9,063,383,404.03
  5. Step 5: Solve for x
    x = 9,063,383,404.03/120,355.20
  6. Step 6: Final answer
    x = 75,305.29

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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.