Home / 198,514.82-273,949.93-107,870.80

Finding the Fourth Proportional to 198,514.82, 273,949.93 and 107,870.80

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Solution

The fourth proportional to 198,514.82, 273,949.93 and 107,870.80 is: 148,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514.82 : 273,949.93 = 107,870.80 : x
  2. Step 2: Convert to fraction form
    198,514.82/273,949.93 = 107,870.80/x
  3. Step 3: Cross multiply
    198,514.82x = 273,949.93 × 107,870.80
  4. Step 4: Simplify right side
    198,514.82x = 29,551,198,109.04
  5. Step 5: Solve for x
    x = 29,551,198,109.04/198,514.82
  6. Step 6: Final answer
    x = 148,861.42

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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.