Home / 199,008.38-274,542.72-134,456.78

Finding the Fourth Proportional to 199,008.38, 274,542.72 and 134,456.78

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Solution

The fourth proportional to 199,008.38, 274,542.72 and 134,456.78 is: 185,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,008.38 : 274,542.72 = 134,456.78 : x
  2. Step 2: Convert to fraction form
    199,008.38/274,542.72 = 134,456.78/x
  3. Step 3: Cross multiply
    199,008.38x = 274,542.72 × 134,456.78
  4. Step 4: Simplify right side
    199,008.38x = 36,914,130,103.64
  5. Step 5: Solve for x
    x = 36,914,130,103.64/199,008.38
  6. Step 6: Final answer
    x = 185,490.33

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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.