Home / 143,734.08-198,376.65-80,092.38

Finding the Fourth Proportional to 143,734.08, 198,376.65 and 80,092.38

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Solution

The fourth proportional to 143,734.08, 198,376.65 and 80,092.38 is: 110,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,734.08 : 198,376.65 = 80,092.38 : x
  2. Step 2: Convert to fraction form
    143,734.08/198,376.65 = 80,092.38/x
  3. Step 3: Cross multiply
    143,734.08x = 198,376.65 × 80,092.38
  4. Step 4: Simplify right side
    143,734.08x = 15,888,458,034.93
  5. Step 5: Solve for x
    x = 15,888,458,034.93/143,734.08
  6. Step 6: Final answer
    x = 110,540.65

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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.