Home / 198,859.96-274,429.62-108,218.52

Finding the Fourth Proportional to 198,859.96, 274,429.62 and 108,218.52

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Solution

The fourth proportional to 198,859.96, 274,429.62 and 108,218.52 is: 149,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,859.96 : 274,429.62 = 108,218.52 : x
  2. Step 2: Convert to fraction form
    198,859.96/274,429.62 = 108,218.52/x
  3. Step 3: Cross multiply
    198,859.96x = 274,429.62 × 108,218.52
  4. Step 4: Simplify right side
    198,859.96x = 29,698,367,320.56
  5. Step 5: Solve for x
    x = 29,698,367,320.56/198,859.96
  6. Step 6: Final answer
    x = 149,343.12

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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.