Home / 198,825.23-274,380.01-108,181.88

Finding the Fourth Proportional to 198,825.23, 274,380.01 and 108,181.88

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Solution

The fourth proportional to 198,825.23, 274,380.01 and 108,181.88 is: 149,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,825.23 : 274,380.01 = 108,181.88 : x
  2. Step 2: Convert to fraction form
    198,825.23/274,380.01 = 108,181.88/x
  3. Step 3: Cross multiply
    198,825.23x = 274,380.01 × 108,181.88
  4. Step 4: Simplify right side
    198,825.23x = 29,682,944,702.79
  5. Step 5: Solve for x
    x = 29,682,944,702.79/198,825.23
  6. Step 6: Final answer
    x = 149,291.64

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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.