Home / 82,744.38-124,135.01-30,153.86

Finding the Fourth Proportional to 82,744.38, 124,135.01 and 30,153.86

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Solution

The fourth proportional to 82,744.38, 124,135.01 and 30,153.86 is: 45,237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,744.38 : 124,135.01 = 30,153.86 : x
  2. Step 2: Convert to fraction form
    82,744.38/124,135.01 = 30,153.86/x
  3. Step 3: Cross multiply
    82,744.38x = 124,135.01 × 30,153.86
  4. Step 4: Simplify right side
    82,744.38x = 3,743,149,091.96
  5. Step 5: Solve for x
    x = 3,743,149,091.96/82,744.38
  6. Step 6: Final answer
    x = 45,237.51

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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.