Home / 198,829.86-274,376.97-108,186.19

Finding the Fourth Proportional to 198,829.86, 274,376.97 and 108,186.19

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Solution

The fourth proportional to 198,829.86, 274,376.97 and 108,186.19 is: 149,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,829.86 : 274,376.97 = 108,186.19 : x
  2. Step 2: Convert to fraction form
    198,829.86/274,376.97 = 108,186.19/x
  3. Step 3: Cross multiply
    198,829.86x = 274,376.97 × 108,186.19
  4. Step 4: Simplify right side
    198,829.86x = 29,683,799,008.04
  5. Step 5: Solve for x
    x = 29,683,799,008.04/198,829.86
  6. Step 6: Final answer
    x = 149,292.46

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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.