Home / 143,947.96-198,497.46-123,872.92

Finding the Fourth Proportional to 143,947.96, 198,497.46 and 123,872.92

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Solution

The fourth proportional to 143,947.96, 198,497.46 and 123,872.92 is: 170,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,947.96 : 198,497.46 = 123,872.92 : x
  2. Step 2: Convert to fraction form
    143,947.96/198,497.46 = 123,872.92/x
  3. Step 3: Cross multiply
    143,947.96x = 198,497.46 × 123,872.92
  4. Step 4: Simplify right side
    143,947.96x = 24,588,459,982.78
  5. Step 5: Solve for x
    x = 24,588,459,982.78/143,947.96
  6. Step 6: Final answer
    x = 170,814.92

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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.