Home / 143,052.12-197,366.22-82,614.78

Finding the Fourth Proportional to 143,052.12, 197,366.22 and 82,614.78

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Solution

The fourth proportional to 143,052.12, 197,366.22 and 82,614.78 is: 113,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,052.12 : 197,366.22 = 82,614.78 : x
  2. Step 2: Convert to fraction form
    143,052.12/197,366.22 = 82,614.78/x
  3. Step 3: Cross multiply
    143,052.12x = 197,366.22 × 82,614.78
  4. Step 4: Simplify right side
    143,052.12x = 16,305,366,844.73
  5. Step 5: Solve for x
    x = 16,305,366,844.73/143,052.12
  6. Step 6: Final answer
    x = 113,982.00

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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.