Home / 198,105.64-273,385.38-113,269.48

Finding the Fourth Proportional to 198,105.64, 273,385.38 and 113,269.48

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Solution

The fourth proportional to 198,105.64, 273,385.38 and 113,269.48 is: 156,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,105.64 : 273,385.38 = 113,269.48 : x
  2. Step 2: Convert to fraction form
    198,105.64/273,385.38 = 113,269.48/x
  3. Step 3: Cross multiply
    198,105.64x = 273,385.38 × 113,269.48
  4. Step 4: Simplify right side
    198,105.64x = 30,966,219,832.20
  5. Step 5: Solve for x
    x = 30,966,219,832.20/198,105.64
  6. Step 6: Final answer
    x = 156,311.65

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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.