Home / 137,743.43-206,694.92-57,774.29

Finding the Fourth Proportional to 137,743.43, 206,694.92 and 57,774.29

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Solution

The fourth proportional to 137,743.43, 206,694.92 and 57,774.29 is: 86,694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,743.43 : 206,694.92 = 57,774.29 : x
  2. Step 2: Convert to fraction form
    137,743.43/206,694.92 = 57,774.29/x
  3. Step 3: Cross multiply
    137,743.43x = 206,694.92 × 57,774.29
  4. Step 4: Simplify right side
    137,743.43x = 11,941,651,360.57
  5. Step 5: Solve for x
    x = 11,941,651,360.57/137,743.43
  6. Step 6: Final answer
    x = 86,694.89

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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.