Home / 82,261.26-123,463.88-40,172.45

Finding the Fourth Proportional to 82,261.26, 123,463.88 and 40,172.45

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Solution

The fourth proportional to 82,261.26, 123,463.88 and 40,172.45 is: 60,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,261.26 : 123,463.88 = 40,172.45 : x
  2. Step 2: Convert to fraction form
    82,261.26/123,463.88 = 40,172.45/x
  3. Step 3: Cross multiply
    82,261.26x = 123,463.88 × 40,172.45
  4. Step 4: Simplify right side
    82,261.26x = 4,959,845,727.92
  5. Step 5: Solve for x
    x = 4,959,845,727.92/82,261.26
  6. Step 6: Final answer
    x = 60,293.82

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1.5x scale

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.