Home / 143,717.56-198,332.30-82,473.73

Finding the Fourth Proportional to 143,717.56, 198,332.30 and 82,473.73

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Solution

The fourth proportional to 143,717.56, 198,332.30 and 82,473.73 is: 113,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,717.56 : 198,332.30 = 82,473.73 : x
  2. Step 2: Convert to fraction form
    143,717.56/198,332.30 = 82,473.73/x
  3. Step 3: Cross multiply
    143,717.56x = 198,332.30 × 82,473.73
  4. Step 4: Simplify right side
    143,717.56x = 16,357,204,560.48
  5. Step 5: Solve for x
    x = 16,357,204,560.48/143,717.56
  6. Step 6: Final answer
    x = 113,814.93

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1.5x scale

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.