Home / 198,795.98-274,332.20-108,149.63

Finding the Fourth Proportional to 198,795.98, 274,332.20 and 108,149.63

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Solution

The fourth proportional to 198,795.98, 274,332.20 and 108,149.63 is: 149,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,795.98 : 274,332.20 = 108,149.63 : x
  2. Step 2: Convert to fraction form
    198,795.98/274,332.20 = 108,149.63/x
  3. Step 3: Cross multiply
    198,795.98x = 274,332.20 × 108,149.63
  4. Step 4: Simplify right side
    198,795.98x = 29,668,924,014.68
  5. Step 5: Solve for x
    x = 29,668,924,014.68/198,795.98
  6. Step 6: Final answer
    x = 149,243.08

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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.