Home / 199,571.56-275,144.10-165,451.24

Finding the Fourth Proportional to 199,571.56, 275,144.10 and 165,451.24

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Solution

The fourth proportional to 199,571.56, 275,144.10 and 165,451.24 is: 228,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,571.56 : 275,144.10 = 165,451.24 : x
  2. Step 2: Convert to fraction form
    199,571.56/275,144.10 = 165,451.24/x
  3. Step 3: Cross multiply
    199,571.56x = 275,144.10 × 165,451.24
  4. Step 4: Simplify right side
    199,571.56x = 45,522,932,523.68
  5. Step 5: Solve for x
    x = 45,522,932,523.68/199,571.56
  6. Step 6: Final answer
    x = 228,103.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.