Home / 82,144.16-123,223.76-22,979.66

Finding the Fourth Proportional to 82,144.16, 123,223.76 and 22,979.66

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Solution

The fourth proportional to 82,144.16, 123,223.76 and 22,979.66 is: 34,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,144.16 : 123,223.76 = 22,979.66 : x
  2. Step 2: Convert to fraction form
    82,144.16/123,223.76 = 22,979.66/x
  3. Step 3: Cross multiply
    82,144.16x = 123,223.76 × 22,979.66
  4. Step 4: Simplify right side
    82,144.16x = 2,831,640,157.01
  5. Step 5: Solve for x
    x = 2,831,640,157.01/82,144.16
  6. Step 6: Final answer
    x = 34,471.59

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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.