Home / 143,717.70-198,348.93-82,487.94

Finding the Fourth Proportional to 143,717.70, 198,348.93 and 82,487.94

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Solution

The fourth proportional to 143,717.70, 198,348.93 and 82,487.94 is: 113,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,717.70 : 198,348.93 = 82,487.94 : x
  2. Step 2: Convert to fraction form
    143,717.70/198,348.93 = 82,487.94/x
  3. Step 3: Cross multiply
    143,717.70x = 198,348.93 × 82,487.94
  4. Step 4: Simplify right side
    143,717.70x = 16,361,394,636.90
  5. Step 5: Solve for x
    x = 16,361,394,636.90/143,717.70
  6. Step 6: Final answer
    x = 113,843.98

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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.