Home / 143,614.80-215,423.76-50,120.88

Finding the Fourth Proportional to 143,614.80, 215,423.76 and 50,120.88

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Solution

The fourth proportional to 143,614.80, 215,423.76 and 50,120.88 is: 75,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,614.80 : 215,423.76 = 50,120.88 : x
  2. Step 2: Convert to fraction form
    143,614.80/215,423.76 = 50,120.88/x
  3. Step 3: Cross multiply
    143,614.80x = 215,423.76 × 50,120.88
  4. Step 4: Simplify right side
    143,614.80x = 10,797,228,424.11
  5. Step 5: Solve for x
    x = 10,797,228,424.11/143,614.80
  6. Step 6: Final answer
    x = 75,181.86

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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.