Home / 198,553.88-274,006.47-107,909.85

Finding the Fourth Proportional to 198,553.88, 274,006.47 and 107,909.85

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Solution

The fourth proportional to 198,553.88, 274,006.47 and 107,909.85 is: 148,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,553.88 : 274,006.47 = 107,909.85 : x
  2. Step 2: Convert to fraction form
    198,553.88/274,006.47 = 107,909.85/x
  3. Step 3: Cross multiply
    198,553.88x = 274,006.47 × 107,909.85
  4. Step 4: Simplify right side
    198,553.88x = 29,567,997,076.73
  5. Step 5: Solve for x
    x = 29,567,997,076.73/198,553.88
  6. Step 6: Final answer
    x = 148,916.74

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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.