Home / 82,724.26-123,150.80-82,232.19

Finding the Fourth Proportional to 82,724.26, 123,150.80 and 82,232.19

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Solution

The fourth proportional to 82,724.26, 123,150.80 and 82,232.19 is: 122,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,724.26 : 123,150.80 = 82,232.19 : x
  2. Step 2: Convert to fraction form
    82,724.26/123,150.80 = 82,232.19/x
  3. Step 3: Cross multiply
    82,724.26x = 123,150.80 × 82,232.19
  4. Step 4: Simplify right side
    82,724.26x = 10,126,959,984.25
  5. Step 5: Solve for x
    x = 10,126,959,984.25/82,724.26
  6. Step 6: Final answer
    x = 122,418.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.