Home / 137,721.94-206,555.55-62,821.78

Finding the Fourth Proportional to 137,721.94, 206,555.55 and 62,821.78

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Solution

The fourth proportional to 137,721.94, 206,555.55 and 62,821.78 is: 94,220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,721.94 : 206,555.55 = 62,821.78 : x
  2. Step 2: Convert to fraction form
    137,721.94/206,555.55 = 62,821.78/x
  3. Step 3: Cross multiply
    137,721.94x = 206,555.55 × 62,821.78
  4. Step 4: Simplify right side
    137,721.94x = 12,976,187,319.88
  5. Step 5: Solve for x
    x = 12,976,187,319.88/137,721.94
  6. Step 6: Final answer
    x = 94,220.19

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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.