Home / 198,735.71-274,258.80-108,093.65

Finding the Fourth Proportional to 198,735.71, 274,258.80 and 108,093.65

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Solution

The fourth proportional to 198,735.71, 274,258.80 and 108,093.65 is: 149,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,735.71 : 274,258.80 = 108,093.65 : x
  2. Step 2: Convert to fraction form
    198,735.71/274,258.80 = 108,093.65/x
  3. Step 3: Cross multiply
    198,735.71x = 274,258.80 × 108,093.65
  4. Step 4: Simplify right side
    198,735.71x = 29,645,633,365.33
  5. Step 5: Solve for x
    x = 29,645,633,365.33/198,735.71
  6. Step 6: Final answer
    x = 149,171.15

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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.