Home / 143,023.54-214,452.23-54,228.61

Finding the Fourth Proportional to 143,023.54, 214,452.23 and 54,228.61

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Solution

The fourth proportional to 143,023.54, 214,452.23 and 54,228.61 is: 81,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,023.54 : 214,452.23 = 54,228.61 : x
  2. Step 2: Convert to fraction form
    143,023.54/214,452.23 = 54,228.61/x
  3. Step 3: Cross multiply
    143,023.54x = 214,452.23 × 54,228.61
  4. Step 4: Simplify right side
    143,023.54x = 11,629,446,344.30
  5. Step 5: Solve for x
    x = 11,629,446,344.30/143,023.54
  6. Step 6: Final answer
    x = 81,311.41

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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.