Home / 172,216.11-258,323.80-47,556.75

Finding the Fourth Proportional to 172,216.11, 258,323.80 and 47,556.75

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Solution

The fourth proportional to 172,216.11, 258,323.80 and 47,556.75 is: 71,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,216.11 : 258,323.80 = 47,556.75 : x
  2. Step 2: Convert to fraction form
    172,216.11/258,323.80 = 47,556.75/x
  3. Step 3: Cross multiply
    172,216.11x = 258,323.80 × 47,556.75
  4. Step 4: Simplify right side
    172,216.11x = 12,285,040,375.65
  5. Step 5: Solve for x
    x = 12,285,040,375.65/172,216.11
  6. Step 6: Final answer
    x = 71,335.02

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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.