Home / 198,644.28-274,134.48-108,006.36

Finding the Fourth Proportional to 198,644.28, 274,134.48 and 108,006.36

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Solution

The fourth proportional to 198,644.28, 274,134.48 and 108,006.36 is: 149,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,644.28 : 274,134.48 = 108,006.36 : x
  2. Step 2: Convert to fraction form
    198,644.28/274,134.48 = 108,006.36/x
  3. Step 3: Cross multiply
    198,644.28x = 274,134.48 × 108,006.36
  4. Step 4: Simplify right side
    198,644.28x = 29,608,267,335.29
  5. Step 5: Solve for x
    x = 29,608,267,335.29/198,644.28
  6. Step 6: Final answer
    x = 149,051.70

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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.