Home / 143,625.28-215,340.72-50,080

Finding the Fourth Proportional to 143,625.28, 215,340.72 and 50,080

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Solution

The fourth proportional to 143,625.28, 215,340.72 and 50,080 is: 75,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,625.28 : 215,340.72 = 50,080 : x
  2. Step 2: Convert to fraction form
    143,625.28/215,340.72 = 50,080/x
  3. Step 3: Cross multiply
    143,625.28x = 215,340.72 × 50,080
  4. Step 4: Simplify right side
    143,625.28x = 10,784,263,257.60
  5. Step 5: Solve for x
    x = 10,784,263,257.60/143,625.28
  6. Step 6: Final answer
    x = 75,086.11

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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.