Home / 138,249.54-207,407.25-44,755.29

Finding the Fourth Proportional to 138,249.54, 207,407.25 and 44,755.29

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Solution

The fourth proportional to 138,249.54, 207,407.25 and 44,755.29 is: 67,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,249.54 : 207,407.25 = 44,755.29 : x
  2. Step 2: Convert to fraction form
    138,249.54/207,407.25 = 44,755.29/x
  3. Step 3: Cross multiply
    138,249.54x = 207,407.25 × 44,755.29
  4. Step 4: Simplify right side
    138,249.54x = 9,282,571,621.85
  5. Step 5: Solve for x
    x = 9,282,571,621.85/138,249.54
  6. Step 6: Final answer
    x = 67,143.60

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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.