Home / 163,129.85-225,198.33-109,395.26

Finding the Fourth Proportional to 163,129.85, 225,198.33 and 109,395.26

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Solution

The fourth proportional to 163,129.85, 225,198.33 and 109,395.26 is: 151,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,129.85 : 225,198.33 = 109,395.26 : x
  2. Step 2: Convert to fraction form
    163,129.85/225,198.33 = 109,395.26/x
  3. Step 3: Cross multiply
    163,129.85x = 225,198.33 × 109,395.26
  4. Step 4: Simplify right side
    163,129.85x = 24,635,629,861.92
  5. Step 5: Solve for x
    x = 24,635,629,861.92/163,129.85
  6. Step 6: Final answer
    x = 151,018.53

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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.