Home / 143,939.33-215,908.99-140,002.73

Finding the Fourth Proportional to 143,939.33, 215,908.99 and 140,002.73

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Solution

The fourth proportional to 143,939.33, 215,908.99 and 140,002.73 is: 210,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,939.33 : 215,908.99 = 140,002.73 : x
  2. Step 2: Convert to fraction form
    143,939.33/215,908.99 = 140,002.73/x
  3. Step 3: Cross multiply
    143,939.33x = 215,908.99 × 140,002.73
  4. Step 4: Simplify right side
    143,939.33x = 30,227,846,251.98
  5. Step 5: Solve for x
    x = 30,227,846,251.98/143,939.33
  6. Step 6: Final answer
    x = 210,004.09

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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.