Home / 143,623.28-215,337.72-50,078

Finding the Fourth Proportional to 143,623.28, 215,337.72 and 50,078

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Solution

The fourth proportional to 143,623.28, 215,337.72 and 50,078 is: 75,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,623.28 : 215,337.72 = 50,078 : x
  2. Step 2: Convert to fraction form
    143,623.28/215,337.72 = 50,078/x
  3. Step 3: Cross multiply
    143,623.28x = 215,337.72 × 50,078
  4. Step 4: Simplify right side
    143,623.28x = 10,783,682,342.16
  5. Step 5: Solve for x
    x = 10,783,682,342.16/143,623.28
  6. Step 6: Final answer
    x = 75,083.11

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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.