Home / 143,852.27-198,508.86-80,177.76

Finding the Fourth Proportional to 143,852.27, 198,508.86 and 80,177.76

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Solution

The fourth proportional to 143,852.27, 198,508.86 and 80,177.76 is: 110,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,852.27 : 198,508.86 = 80,177.76 : x
  2. Step 2: Convert to fraction form
    143,852.27/198,508.86 = 80,177.76/x
  3. Step 3: Cross multiply
    143,852.27x = 198,508.86 × 80,177.76
  4. Step 4: Simplify right side
    143,852.27x = 15,915,995,734.95
  5. Step 5: Solve for x
    x = 15,915,995,734.95/143,852.27
  6. Step 6: Final answer
    x = 110,641.26

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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.