Home / 143,961.88-215,942.82-73,796.44

Finding the Fourth Proportional to 143,961.88, 215,942.82 and 73,796.44

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Solution

The fourth proportional to 143,961.88, 215,942.82 and 73,796.44 is: 110,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,961.88 : 215,942.82 = 73,796.44 : x
  2. Step 2: Convert to fraction form
    143,961.88/215,942.82 = 73,796.44/x
  3. Step 3: Cross multiply
    143,961.88x = 215,942.82 × 73,796.44
  4. Step 4: Simplify right side
    143,961.88x = 15,935,811,359.56
  5. Step 5: Solve for x
    x = 15,935,811,359.56/143,961.88
  6. Step 6: Final answer
    x = 110,694.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.