Home / 172,556.87-258,497.19-113,212.62

Finding the Fourth Proportional to 172,556.87, 258,497.19 and 113,212.62

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Solution

The fourth proportional to 172,556.87, 258,497.19 and 113,212.62 is: 169,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,556.87 : 258,497.19 = 113,212.62 : x
  2. Step 2: Convert to fraction form
    172,556.87/258,497.19 = 113,212.62/x
  3. Step 3: Cross multiply
    172,556.87x = 258,497.19 × 113,212.62
  4. Step 4: Simplify right side
    172,556.87x = 29,265,144,142.54
  5. Step 5: Solve for x
    x = 29,265,144,142.54/172,556.87
  6. Step 6: Final answer
    x = 169,597.10

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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.