Home / 171,849.33-257,469.03-71,789.31

Finding the Fourth Proportional to 171,849.33, 257,469.03 and 71,789.31

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Solution

The fourth proportional to 171,849.33, 257,469.03 and 71,789.31 is: 107,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,849.33 : 257,469.03 = 71,789.31 : x
  2. Step 2: Convert to fraction form
    171,849.33/257,469.03 = 71,789.31/x
  3. Step 3: Cross multiply
    171,849.33x = 257,469.03 × 71,789.31
  4. Step 4: Simplify right side
    171,849.33x = 18,483,524,010.07
  5. Step 5: Solve for x
    x = 18,483,524,010.07/171,849.33
  6. Step 6: Final answer
    x = 107,556.57

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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.