Home / 269,738.20-404,753.10-120,001.60

Finding the Fourth Proportional to 269,738.20, 404,753.10 and 120,001.60

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Solution

The fourth proportional to 269,738.20, 404,753.10 and 120,001.60 is: 180,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,738.20 : 404,753.10 = 120,001.60 : x
  2. Step 2: Convert to fraction form
    269,738.20/404,753.10 = 120,001.60/x
  3. Step 3: Cross multiply
    269,738.20x = 404,753.10 × 120,001.60
  4. Step 4: Simplify right side
    269,738.20x = 48,571,019,604.96
  5. Step 5: Solve for x
    x = 48,571,019,604.96/269,738.20
  6. Step 6: Final answer
    x = 180,067.26

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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.