Home / 199,008.12-274,634.47-108,365.85

Finding the Fourth Proportional to 199,008.12, 274,634.47 and 108,365.85

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Solution

The fourth proportional to 199,008.12, 274,634.47 and 108,365.85 is: 149,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,008.12 : 274,634.47 = 108,365.85 : x
  2. Step 2: Convert to fraction form
    199,008.12/274,634.47 = 108,365.85/x
  3. Step 3: Cross multiply
    199,008.12x = 274,634.47 × 108,365.85
  4. Step 4: Simplify right side
    199,008.12x = 29,760,998,221.09
  5. Step 5: Solve for x
    x = 29,760,998,221.09/199,008.12
  6. Step 6: Final answer
    x = 149,546.66

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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.