Home / 143,834.28-215,753.26-55,093.12

Finding the Fourth Proportional to 143,834.28, 215,753.26 and 55,093.12

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Solution

The fourth proportional to 143,834.28, 215,753.26 and 55,093.12 is: 82,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,834.28 : 215,753.26 = 55,093.12 : x
  2. Step 2: Convert to fraction form
    143,834.28/215,753.26 = 55,093.12/x
  3. Step 3: Cross multiply
    143,834.28x = 215,753.26 × 55,093.12
  4. Step 4: Simplify right side
    143,834.28x = 11,886,520,243.57
  5. Step 5: Solve for x
    x = 11,886,520,243.57/143,834.28
  6. Step 6: Final answer
    x = 82,640.38

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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.