Home / 82,366.96-123,687.12-51,399.04

Finding the Fourth Proportional to 82,366.96, 123,687.12 and 51,399.04

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Solution

The fourth proportional to 82,366.96, 123,687.12 and 51,399.04 is: 77,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,366.96 : 123,687.12 = 51,399.04 : x
  2. Step 2: Convert to fraction form
    82,366.96/123,687.12 = 51,399.04/x
  3. Step 3: Cross multiply
    82,366.96x = 123,687.12 × 51,399.04
  4. Step 4: Simplify right side
    82,366.96x = 6,357,399,228.36
  5. Step 5: Solve for x
    x = 6,357,399,228.36/82,366.96
  6. Step 6: Final answer
    x = 77,183.85

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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.