Home / 82,160.24-123,252.83-25,981.68

Finding the Fourth Proportional to 82,160.24, 123,252.83 and 25,981.68

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Solution

The fourth proportional to 82,160.24, 123,252.83 and 25,981.68 is: 38,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,160.24 : 123,252.83 = 25,981.68 : x
  2. Step 2: Convert to fraction form
    82,160.24/123,252.83 = 25,981.68/x
  3. Step 3: Cross multiply
    82,160.24x = 123,252.83 × 25,981.68
  4. Step 4: Simplify right side
    82,160.24x = 3,202,315,458.25
  5. Step 5: Solve for x
    x = 3,202,315,458.25/82,160.24
  6. Step 6: Final answer
    x = 38,976.46

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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.