Home / 217,531.37-325,910.82-90,892.83

Finding the Fourth Proportional to 217,531.37, 325,910.82 and 90,892.83

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Solution

The fourth proportional to 217,531.37, 325,910.82 and 90,892.83 is: 136,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,531.37 : 325,910.82 = 90,892.83 : x
  2. Step 2: Convert to fraction form
    217,531.37/325,910.82 = 90,892.83/x
  3. Step 3: Cross multiply
    217,531.37x = 325,910.82 × 90,892.83
  4. Step 4: Simplify right side
    217,531.37x = 29,622,958,320.43
  5. Step 5: Solve for x
    x = 29,622,958,320.43/217,531.37
  6. Step 6: Final answer
    x = 136,177.87

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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.