Home / 120,785.24-181,119.34-50,645.72

Finding the Fourth Proportional to 120,785.24, 181,119.34 and 50,645.72

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Solution

The fourth proportional to 120,785.24, 181,119.34 and 50,645.72 is: 75,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,785.24 : 181,119.34 = 50,645.72 : x
  2. Step 2: Convert to fraction form
    120,785.24/181,119.34 = 50,645.72/x
  3. Step 3: Cross multiply
    120,785.24x = 181,119.34 × 50,645.72
  4. Step 4: Simplify right side
    120,785.24x = 9,172,919,380.22
  5. Step 5: Solve for x
    x = 9,172,919,380.22/120,785.24
  6. Step 6: Final answer
    x = 75,944.04

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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.