Home / 198,695.25-274,200.74-108,052.20

Finding the Fourth Proportional to 198,695.25, 274,200.74 and 108,052.20

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Solution

The fourth proportional to 198,695.25, 274,200.74 and 108,052.20 is: 149,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,695.25 : 274,200.74 = 108,052.20 : x
  2. Step 2: Convert to fraction form
    198,695.25/274,200.74 = 108,052.20/x
  3. Step 3: Cross multiply
    198,695.25x = 274,200.74 × 108,052.20
  4. Step 4: Simplify right side
    198,695.25x = 29,627,993,198.63
  5. Step 5: Solve for x
    x = 29,627,993,198.63/198,695.25
  6. Step 6: Final answer
    x = 149,112.74

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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.