Home / 198,908.19-274,493.81-108,264.89

Finding the Fourth Proportional to 198,908.19, 274,493.81 and 108,264.89

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Solution

The fourth proportional to 198,908.19, 274,493.81 and 108,264.89 is: 149,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,908.19 : 274,493.81 = 108,264.89 : x
  2. Step 2: Convert to fraction form
    198,908.19/274,493.81 = 108,264.89/x
  3. Step 3: Cross multiply
    198,908.19x = 274,493.81 × 108,264.89
  4. Step 4: Simplify right side
    198,908.19x = 29,718,043,102.23
  5. Step 5: Solve for x
    x = 29,718,043,102.23/198,908.19
  6. Step 6: Final answer
    x = 149,405.83

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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.