Home / 142,923.20-197,202.46-82,481

Finding the Fourth Proportional to 142,923.20, 197,202.46 and 82,481

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Solution

The fourth proportional to 142,923.20, 197,202.46 and 82,481 is: 113,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,923.20 : 197,202.46 = 82,481 : x
  2. Step 2: Convert to fraction form
    142,923.20/197,202.46 = 82,481/x
  3. Step 3: Cross multiply
    142,923.20x = 197,202.46 × 82,481
  4. Step 4: Simplify right side
    142,923.20x = 16,265,456,103.26
  5. Step 5: Solve for x
    x = 16,265,456,103.26/142,923.20
  6. Step 6: Final answer
    x = 113,805.57

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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.