Home / 140,910.57-211,232.21-52,103.79

Finding the Fourth Proportional to 140,910.57, 211,232.21 and 52,103.79

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Solution

The fourth proportional to 140,910.57, 211,232.21 and 52,103.79 is: 78,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,910.57 : 211,232.21 = 52,103.79 : x
  2. Step 2: Convert to fraction form
    140,910.57/211,232.21 = 52,103.79/x
  3. Step 3: Cross multiply
    140,910.57x = 211,232.21 × 52,103.79
  4. Step 4: Simplify right side
    140,910.57x = 11,005,998,450.56
  5. Step 5: Solve for x
    x = 11,005,998,450.56/140,910.57
  6. Step 6: Final answer
    x = 78,106.27

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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.