Home / 198,578.82-274,040.61-107,935

Finding the Fourth Proportional to 198,578.82, 274,040.61 and 107,935

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Solution

The fourth proportional to 198,578.82, 274,040.61 and 107,935 is: 148,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,578.82 : 274,040.61 = 107,935 : x
  2. Step 2: Convert to fraction form
    198,578.82/274,040.61 = 107,935/x
  3. Step 3: Cross multiply
    198,578.82x = 274,040.61 × 107,935
  4. Step 4: Simplify right side
    198,578.82x = 29,578,573,240.35
  5. Step 5: Solve for x
    x = 29,578,573,240.35/198,578.82
  6. Step 6: Final answer
    x = 148,951.30

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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.