Home / 144,166.82-198,949.36-80,504.66

Finding the Fourth Proportional to 144,166.82, 198,949.36 and 80,504.66

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Solution

The fourth proportional to 144,166.82, 198,949.36 and 80,504.66 is: 111,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,166.82 : 198,949.36 = 80,504.66 : x
  2. Step 2: Convert to fraction form
    144,166.82/198,949.36 = 80,504.66/x
  3. Step 3: Cross multiply
    144,166.82x = 198,949.36 × 80,504.66
  4. Step 4: Simplify right side
    144,166.82x = 16,016,350,584.02
  5. Step 5: Solve for x
    x = 16,016,350,584.02/144,166.82
  6. Step 6: Final answer
    x = 111,095.96

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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.