Home / 143,753.82-198,380.52-80,093.88

Finding the Fourth Proportional to 143,753.82, 198,380.52 and 80,093.88

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Solution

The fourth proportional to 143,753.82, 198,380.52 and 80,093.88 is: 110,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,753.82 : 198,380.52 = 80,093.88 : x
  2. Step 2: Convert to fraction form
    143,753.82/198,380.52 = 80,093.88/x
  3. Step 3: Cross multiply
    143,753.82x = 198,380.52 × 80,093.88
  4. Step 4: Simplify right side
    143,753.82x = 15,889,065,563.22
  5. Step 5: Solve for x
    x = 15,889,065,563.22/143,753.82
  6. Step 6: Final answer
    x = 110,529.69

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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.