Home / 269,939.20-404,864.96-120,144.24

Finding the Fourth Proportional to 269,939.20, 404,864.96 and 120,144.24

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Solution

The fourth proportional to 269,939.20, 404,864.96 and 120,144.24 is: 180,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,939.20 : 404,864.96 = 120,144.24 : x
  2. Step 2: Convert to fraction form
    269,939.20/404,864.96 = 120,144.24/x
  3. Step 3: Cross multiply
    269,939.20x = 404,864.96 × 120,144.24
  4. Step 4: Simplify right side
    269,939.20x = 48,642,192,921.83
  5. Step 5: Solve for x
    x = 48,642,192,921.83/269,939.20
  6. Step 6: Final answer
    x = 180,196.85

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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.