Home / 198,996.54-274,612.64-108,351.46

Finding the Fourth Proportional to 198,996.54, 274,612.64 and 108,351.46

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Solution

The fourth proportional to 198,996.54, 274,612.64 and 108,351.46 is: 149,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,996.54 : 274,612.64 = 108,351.46 : x
  2. Step 2: Convert to fraction form
    198,996.54/274,612.64 = 108,351.46/x
  3. Step 3: Cross multiply
    198,996.54x = 274,612.64 × 108,351.46
  4. Step 4: Simplify right side
    198,996.54x = 29,754,680,478.45
  5. Step 5: Solve for x
    x = 29,754,680,478.45/198,996.54
  6. Step 6: Final answer
    x = 149,523.61

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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.