Home / 198,129.03-273,418.07-113,247.92

Finding the Fourth Proportional to 198,129.03, 273,418.07 and 113,247.92

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Solution

The fourth proportional to 198,129.03, 273,418.07 and 113,247.92 is: 156,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,129.03 : 273,418.07 = 113,247.92 : x
  2. Step 2: Convert to fraction form
    198,129.03/273,418.07 = 113,247.92/x
  3. Step 3: Cross multiply
    198,129.03x = 273,418.07 × 113,247.92
  4. Step 4: Simplify right side
    198,129.03x = 30,964,025,784.58
  5. Step 5: Solve for x
    x = 30,964,025,784.58/198,129.03
  6. Step 6: Final answer
    x = 156,282.12

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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.