Home / 168,129.72-231,945.48-110,694.96

Finding the Fourth Proportional to 168,129.72, 231,945.48 and 110,694.96

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Solution

The fourth proportional to 168,129.72, 231,945.48 and 110,694.96 is: 152,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,129.72 : 231,945.48 = 110,694.96 : x
  2. Step 2: Convert to fraction form
    168,129.72/231,945.48 = 110,694.96/x
  3. Step 3: Cross multiply
    168,129.72x = 231,945.48 × 110,694.96
  4. Step 4: Simplify right side
    168,129.72x = 25,675,195,630.78
  5. Step 5: Solve for x
    x = 25,675,195,630.78/168,129.72
  6. Step 6: Final answer
    x = 152,710.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.