Home / 198,612.82-274,087.48-107,968.96

Finding the Fourth Proportional to 198,612.82, 274,087.48 and 107,968.96

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Solution

The fourth proportional to 198,612.82, 274,087.48 and 107,968.96 is: 148,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,612.82 : 274,087.48 = 107,968.96 : x
  2. Step 2: Convert to fraction form
    198,612.82/274,087.48 = 107,968.96/x
  3. Step 3: Cross multiply
    198,612.82x = 274,087.48 × 107,968.96
  4. Step 4: Simplify right side
    198,612.82x = 29,592,939,624.78
  5. Step 5: Solve for x
    x = 29,592,939,624.78/198,612.82
  6. Step 6: Final answer
    x = 148,998.13

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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.