Home / 172,243.26-258,372.18-105,641.82

Finding the Fourth Proportional to 172,243.26, 258,372.18 and 105,641.82

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Solution

The fourth proportional to 172,243.26, 258,372.18 and 105,641.82 is: 158,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,243.26 : 258,372.18 = 105,641.82 : x
  2. Step 2: Convert to fraction form
    172,243.26/258,372.18 = 105,641.82/x
  3. Step 3: Cross multiply
    172,243.26x = 258,372.18 × 105,641.82
  4. Step 4: Simplify right side
    172,243.26x = 27,294,907,332.57
  5. Step 5: Solve for x
    x = 27,294,907,332.57/172,243.26
  6. Step 6: Final answer
    x = 158,467.20

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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.