Home / 206,943.76-285,584.31-125,273.89

Finding the Fourth Proportional to 206,943.76, 285,584.31 and 125,273.89

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Solution

The fourth proportional to 206,943.76, 285,584.31 and 125,273.89 is: 172,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,943.76 : 285,584.31 = 125,273.89 : x
  2. Step 2: Convert to fraction form
    206,943.76/285,584.31 = 125,273.89/x
  3. Step 3: Cross multiply
    206,943.76x = 285,584.31 × 125,273.89
  4. Step 4: Simplify right side
    206,943.76x = 35,776,257,436.67
  5. Step 5: Solve for x
    x = 35,776,257,436.67/206,943.76
  6. Step 6: Final answer
    x = 172,879.13

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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.