Home / 217,910.09-326,677.91-75,736.90

Finding the Fourth Proportional to 217,910.09, 326,677.91 and 75,736.90

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Solution

The fourth proportional to 217,910.09, 326,677.91 and 75,736.90 is: 113,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,910.09 : 326,677.91 = 75,736.90 : x
  2. Step 2: Convert to fraction form
    217,910.09/326,677.91 = 75,736.90/x
  3. Step 3: Cross multiply
    217,910.09x = 326,677.91 × 75,736.90
  4. Step 4: Simplify right side
    217,910.09x = 24,741,571,195.84
  5. Step 5: Solve for x
    x = 24,741,571,195.84/217,910.09
  6. Step 6: Final answer
    x = 113,540.27

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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.