Home / 120,469.24-180,601.96-75,998.20

Finding the Fourth Proportional to 120,469.24, 180,601.96 and 75,998.20

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Solution

The fourth proportional to 120,469.24, 180,601.96 and 75,998.20 is: 113,933.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,469.24 : 180,601.96 = 75,998.20 : x
  2. Step 2: Convert to fraction form
    120,469.24/180,601.96 = 75,998.20/x
  3. Step 3: Cross multiply
    120,469.24x = 180,601.96 × 75,998.20
  4. Step 4: Simplify right side
    120,469.24x = 13,725,423,876.47
  5. Step 5: Solve for x
    x = 13,725,423,876.47/120,469.24
  6. Step 6: Final answer
    x = 113,933.02

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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.