Home / 216,208.92-324,372.82-103,983

Finding the Fourth Proportional to 216,208.92, 324,372.82 and 103,983

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Solution

The fourth proportional to 216,208.92, 324,372.82 and 103,983 is: 156,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,208.92 : 324,372.82 = 103,983 : x
  2. Step 2: Convert to fraction form
    216,208.92/324,372.82 = 103,983/x
  3. Step 3: Cross multiply
    216,208.92x = 324,372.82 × 103,983
  4. Step 4: Simplify right side
    216,208.92x = 33,729,258,942.06
  5. Step 5: Solve for x
    x = 33,729,258,942.06/216,208.92
  6. Step 6: Final answer
    x = 156,003.09

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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.