Home / 143,198.88-197,592.49-82,757.86

Finding the Fourth Proportional to 143,198.88, 197,592.49 and 82,757.86

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Solution

The fourth proportional to 143,198.88, 197,592.49 and 82,757.86 is: 114,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,198.88 : 197,592.49 = 82,757.86 : x
  2. Step 2: Convert to fraction form
    143,198.88/197,592.49 = 82,757.86/x
  3. Step 3: Cross multiply
    143,198.88x = 197,592.49 × 82,757.86
  4. Step 4: Simplify right side
    143,198.88x = 16,352,330,907.70
  5. Step 5: Solve for x
    x = 16,352,330,907.70/143,198.88
  6. Step 6: Final answer
    x = 114,193.14

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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.