Home / 129,845.25-179,186.45-73,255.41

Finding the Fourth Proportional to 129,845.25, 179,186.45 and 73,255.41

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Solution

The fourth proportional to 129,845.25, 179,186.45 and 73,255.41 is: 101,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,845.25 : 179,186.45 = 73,255.41 : x
  2. Step 2: Convert to fraction form
    129,845.25/179,186.45 = 73,255.41/x
  3. Step 3: Cross multiply
    129,845.25x = 179,186.45 × 73,255.41
  4. Step 4: Simplify right side
    129,845.25x = 13,126,376,494.92
  5. Step 5: Solve for x
    x = 13,126,376,494.92/129,845.25
  6. Step 6: Final answer
    x = 101,092.47

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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.