Home / 150,016.89-225,136.07-71,131.41

Finding the Fourth Proportional to 150,016.89, 225,136.07 and 71,131.41

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Solution

The fourth proportional to 150,016.89, 225,136.07 and 71,131.41 is: 106,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,016.89 : 225,136.07 = 71,131.41 : x
  2. Step 2: Convert to fraction form
    150,016.89/225,136.07 = 71,131.41/x
  3. Step 3: Cross multiply
    150,016.89x = 225,136.07 × 71,131.41
  4. Step 4: Simplify right side
    150,016.89x = 16,014,245,745.30
  5. Step 5: Solve for x
    x = 16,014,245,745.30/150,016.89
  6. Step 6: Final answer
    x = 106,749.62

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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.