Home / 216,145.29-324,233.49-83,025.56

Finding the Fourth Proportional to 216,145.29, 324,233.49 and 83,025.56

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Solution

The fourth proportional to 216,145.29, 324,233.49 and 83,025.56 is: 124,544.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,145.29 : 324,233.49 = 83,025.56 : x
  2. Step 2: Convert to fraction form
    216,145.29/324,233.49 = 83,025.56/x
  3. Step 3: Cross multiply
    216,145.29x = 324,233.49 × 83,025.56
  4. Step 4: Simplify right side
    216,145.29x = 26,919,665,456.84
  5. Step 5: Solve for x
    x = 26,919,665,456.84/216,145.29
  6. Step 6: Final answer
    x = 124,544.31

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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.