Home / 198,613.82-274,088.86-107,969.96

Finding the Fourth Proportional to 198,613.82, 274,088.86 and 107,969.96

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Solution

The fourth proportional to 198,613.82, 274,088.86 and 107,969.96 is: 148,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,613.82 : 274,088.86 = 107,969.96 : x
  2. Step 2: Convert to fraction form
    198,613.82/274,088.86 = 107,969.96/x
  3. Step 3: Cross multiply
    198,613.82x = 274,088.86 × 107,969.96
  4. Step 4: Simplify right side
    198,613.82x = 29,593,363,250.65
  5. Step 5: Solve for x
    x = 29,593,363,250.65/198,613.82
  6. Step 6: Final answer
    x = 148,999.52

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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.