Home / 143,614.38-198,157.83-83,163.27

Finding the Fourth Proportional to 143,614.38, 198,157.83 and 83,163.27

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Solution

The fourth proportional to 143,614.38, 198,157.83 and 83,163.27 is: 114,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,614.38 : 198,157.83 = 83,163.27 : x
  2. Step 2: Convert to fraction form
    143,614.38/198,157.83 = 83,163.27/x
  3. Step 3: Cross multiply
    143,614.38x = 198,157.83 × 83,163.27
  4. Step 4: Simplify right side
    143,614.38x = 16,479,453,118.90
  5. Step 5: Solve for x
    x = 16,479,453,118.90/143,614.38
  6. Step 6: Final answer
    x = 114,747.93

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1.5x scale

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.