Home / 198,203.17-273,520.55-107,559.13

Finding the Fourth Proportional to 198,203.17, 273,520.55 and 107,559.13

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Solution

The fourth proportional to 198,203.17, 273,520.55 and 107,559.13 is: 148,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,203.17 : 273,520.55 = 107,559.13 : x
  2. Step 2: Convert to fraction form
    198,203.17/273,520.55 = 107,559.13/x
  3. Step 3: Cross multiply
    198,203.17x = 273,520.55 × 107,559.13
  4. Step 4: Simplify right side
    198,203.17x = 29,419,632,657.33
  5. Step 5: Solve for x
    x = 29,419,632,657.33/198,203.17
  6. Step 6: Final answer
    x = 148,431.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.