Home / 247,839.92-342,022.20-134,664.56

Finding the Fourth Proportional to 247,839.92, 342,022.20 and 134,664.56

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Solution

The fourth proportional to 247,839.92, 342,022.20 and 134,664.56 is: 185,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,839.92 : 342,022.20 = 134,664.56 : x
  2. Step 2: Convert to fraction form
    247,839.92/342,022.20 = 134,664.56/x
  3. Step 3: Cross multiply
    247,839.92x = 342,022.20 × 134,664.56
  4. Step 4: Simplify right side
    247,839.92x = 46,058,269,073.23
  5. Step 5: Solve for x
    x = 46,058,269,073.23/247,839.92
  6. Step 6: Final answer
    x = 185,838.78

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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.