Home / 216,147.39-324,264.82-75,916.95

Finding the Fourth Proportional to 216,147.39, 324,264.82 and 75,916.95

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Solution

The fourth proportional to 216,147.39, 324,264.82 and 75,916.95 is: 113,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,147.39 : 324,264.82 = 75,916.95 : x
  2. Step 2: Convert to fraction form
    216,147.39/324,264.82 = 75,916.95/x
  3. Step 3: Cross multiply
    216,147.39x = 324,264.82 × 75,916.95
  4. Step 4: Simplify right side
    216,147.39x = 24,617,194,863.26
  5. Step 5: Solve for x
    x = 24,617,194,863.26/216,147.39
  6. Step 6: Final answer
    x = 113,890.78

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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.