Home / 150,722.48-207,999.60-82,745.84

Finding the Fourth Proportional to 150,722.48, 207,999.60 and 82,745.84

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Solution

The fourth proportional to 150,722.48, 207,999.60 and 82,745.84 is: 114,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,722.48 : 207,999.60 = 82,745.84 : x
  2. Step 2: Convert to fraction form
    150,722.48/207,999.60 = 82,745.84/x
  3. Step 3: Cross multiply
    150,722.48x = 207,999.60 × 82,745.84
  4. Step 4: Simplify right side
    150,722.48x = 17,211,101,621.66
  5. Step 5: Solve for x
    x = 17,211,101,621.66/150,722.48
  6. Step 6: Final answer
    x = 114,190.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.