Home / 198,609.39-274,086.30-107,971.44

Finding the Fourth Proportional to 198,609.39, 274,086.30 and 107,971.44

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Solution

The fourth proportional to 198,609.39, 274,086.30 and 107,971.44 is: 149,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,609.39 : 274,086.30 = 107,971.44 : x
  2. Step 2: Convert to fraction form
    198,609.39/274,086.30 = 107,971.44/x
  3. Step 3: Cross multiply
    198,609.39x = 274,086.30 × 107,971.44
  4. Step 4: Simplify right side
    198,609.39x = 29,593,492,495.27
  5. Step 5: Solve for x
    x = 29,593,492,495.27/198,609.39
  6. Step 6: Final answer
    x = 149,003.49

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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.