Home / 143,399.26-214,905.11-54,604.32

Finding the Fourth Proportional to 143,399.26, 214,905.11 and 54,604.32

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Solution

The fourth proportional to 143,399.26, 214,905.11 and 54,604.32 is: 81,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,399.26 : 214,905.11 = 54,604.32 : x
  2. Step 2: Convert to fraction form
    143,399.26/214,905.11 = 54,604.32/x
  3. Step 3: Cross multiply
    143,399.26x = 214,905.11 × 54,604.32
  4. Step 4: Simplify right side
    143,399.26x = 11,734,747,396.08
  5. Step 5: Solve for x
    x = 11,734,747,396.08/143,399.26
  6. Step 6: Final answer
    x = 81,832.69

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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.