Home / 198,542.32-273,989.52-107,899.04

Finding the Fourth Proportional to 198,542.32, 273,989.52 and 107,899.04

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Solution

The fourth proportional to 198,542.32, 273,989.52 and 107,899.04 is: 148,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,542.32 : 273,989.52 = 107,899.04 : x
  2. Step 2: Convert to fraction form
    198,542.32/273,989.52 = 107,899.04/x
  3. Step 3: Cross multiply
    198,542.32x = 273,989.52 × 107,899.04
  4. Step 4: Simplify right side
    198,542.32x = 29,563,206,178.06
  5. Step 5: Solve for x
    x = 29,563,206,178.06/198,542.32
  6. Step 6: Final answer
    x = 148,901.28

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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.