Home / 199,016.05-274,638.20-108,373.09

Finding the Fourth Proportional to 199,016.05, 274,638.20 and 108,373.09

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Solution

The fourth proportional to 199,016.05, 274,638.20 and 108,373.09 is: 149,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,016.05 : 274,638.20 = 108,373.09 : x
  2. Step 2: Convert to fraction form
    199,016.05/274,638.20 = 108,373.09/x
  3. Step 3: Cross multiply
    199,016.05x = 274,638.20 × 108,373.09
  4. Step 4: Simplify right side
    199,016.05x = 29,763,390,366.04
  5. Step 5: Solve for x
    x = 29,763,390,366.04/199,016.05
  6. Step 6: Final answer
    x = 149,552.71

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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.