Home / 137,571.24-206,090.46-80,507.10

Finding the Fourth Proportional to 137,571.24, 206,090.46 and 80,507.10

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Solution

The fourth proportional to 137,571.24, 206,090.46 and 80,507.10 is: 120,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,571.24 : 206,090.46 = 80,507.10 : x
  2. Step 2: Convert to fraction form
    137,571.24/206,090.46 = 80,507.10/x
  3. Step 3: Cross multiply
    137,571.24x = 206,090.46 × 80,507.10
  4. Step 4: Simplify right side
    137,571.24x = 16,591,745,272.27
  5. Step 5: Solve for x
    x = 16,591,745,272.27/137,571.24
  6. Step 6: Final answer
    x = 120,604.75

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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.