Home / 137,351.43-206,160.32-66,324.15

Finding the Fourth Proportional to 137,351.43, 206,160.32 and 66,324.15

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Solution

The fourth proportional to 137,351.43, 206,160.32 and 66,324.15 is: 99,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,351.43 : 206,160.32 = 66,324.15 : x
  2. Step 2: Convert to fraction form
    137,351.43/206,160.32 = 66,324.15/x
  3. Step 3: Cross multiply
    137,351.43x = 206,160.32 × 66,324.15
  4. Step 4: Simplify right side
    137,351.43x = 13,673,408,153.54
  5. Step 5: Solve for x
    x = 13,673,408,153.54/137,351.43
  6. Step 6: Final answer
    x = 99,550.53

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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.