Home / 172,371.50-258,556.40-44,287.68

Finding the Fourth Proportional to 172,371.50, 258,556.40 and 44,287.68

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Solution

The fourth proportional to 172,371.50, 258,556.40 and 44,287.68 is: 66,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,371.50 : 258,556.40 = 44,287.68 : x
  2. Step 2: Convert to fraction form
    172,371.50/258,556.40 = 44,287.68/x
  3. Step 3: Cross multiply
    172,371.50x = 258,556.40 × 44,287.68
  4. Step 4: Simplify right side
    172,371.50x = 11,450,863,105.15
  5. Step 5: Solve for x
    x = 11,450,863,105.15/172,371.50
  6. Step 6: Final answer
    x = 66,431.30

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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.