Home / 198,818.15-274,360.86-108,174.48

Finding the Fourth Proportional to 198,818.15, 274,360.86 and 108,174.48

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Solution

The fourth proportional to 198,818.15, 274,360.86 and 108,174.48 is: 149,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,818.15 : 274,360.86 = 108,174.48 : x
  2. Step 2: Convert to fraction form
    198,818.15/274,360.86 = 108,174.48/x
  3. Step 3: Cross multiply
    198,818.15x = 274,360.86 × 108,174.48
  4. Step 4: Simplify right side
    198,818.15x = 29,678,843,362.85
  5. Step 5: Solve for x
    x = 29,678,843,362.85/198,818.15
  6. Step 6: Final answer
    x = 149,276.33

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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.