Home / 198,842.08-274,398-108,199.84

Finding the Fourth Proportional to 198,842.08, 274,398 and 108,199.84

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Solution

The fourth proportional to 198,842.08, 274,398 and 108,199.84 is: 149,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,842.08 : 274,398 = 108,199.84 : x
  2. Step 2: Convert to fraction form
    198,842.08/274,398 = 108,199.84/x
  3. Step 3: Cross multiply
    198,842.08x = 274,398 × 108,199.84
  4. Step 4: Simplify right side
    198,842.08x = 29,689,819,696.32
  5. Step 5: Solve for x
    x = 29,689,819,696.32/198,842.08
  6. Step 6: Final answer
    x = 149,313.56

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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.