Home / 231,908.33-347,744.95-82,127.54

Finding the Fourth Proportional to 231,908.33, 347,744.95 and 82,127.54

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Solution

The fourth proportional to 231,908.33, 347,744.95 and 82,127.54 is: 123,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,908.33 : 347,744.95 = 82,127.54 : x
  2. Step 2: Convert to fraction form
    231,908.33/347,744.95 = 82,127.54/x
  3. Step 3: Cross multiply
    231,908.33x = 347,744.95 × 82,127.54
  4. Step 4: Simplify right side
    231,908.33x = 28,559,435,998.90
  5. Step 5: Solve for x
    x = 28,559,435,998.90/231,908.33
  6. Step 6: Final answer
    x = 123,149.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.