Home / 217,532.37-325,912.32-90,893.83

Finding the Fourth Proportional to 217,532.37, 325,912.32 and 90,893.83

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Solution

The fourth proportional to 217,532.37, 325,912.32 and 90,893.83 is: 136,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,532.37 : 325,912.32 = 90,893.83 : x
  2. Step 2: Convert to fraction form
    217,532.37/325,912.32 = 90,893.83/x
  3. Step 3: Cross multiply
    217,532.37x = 325,912.32 × 90,893.83
  4. Step 4: Simplify right side
    217,532.37x = 29,623,419,008.99
  5. Step 5: Solve for x
    x = 29,623,419,008.99/217,532.37
  6. Step 6: Final answer
    x = 136,179.36

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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.