Home / 198,146.32-297,248.82-71,796.04

Finding the Fourth Proportional to 198,146.32, 297,248.82 and 71,796.04

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Solution

The fourth proportional to 198,146.32, 297,248.82 and 71,796.04 is: 107,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,146.32 : 297,248.82 = 71,796.04 : x
  2. Step 2: Convert to fraction form
    198,146.32/297,248.82 = 71,796.04/x
  3. Step 3: Cross multiply
    198,146.32x = 297,248.82 × 71,796.04
  4. Step 4: Simplify right side
    198,146.32x = 21,341,288,170.67
  5. Step 5: Solve for x
    x = 21,341,288,170.67/198,146.32
  6. Step 6: Final answer
    x = 107,704.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.