Home / 198,996.18-274,608.32-108,351.41

Finding the Fourth Proportional to 198,996.18, 274,608.32 and 108,351.41

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Solution

The fourth proportional to 198,996.18, 274,608.32 and 108,351.41 is: 149,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,996.18 : 274,608.32 = 108,351.41 : x
  2. Step 2: Convert to fraction form
    198,996.18/274,608.32 = 108,351.41/x
  3. Step 3: Cross multiply
    198,996.18x = 274,608.32 × 108,351.41
  4. Step 4: Simplify right side
    198,996.18x = 29,754,196,754.93
  5. Step 5: Solve for x
    x = 29,754,196,754.93/198,996.18
  6. Step 6: Final answer
    x = 149,521.45

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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.