Home / 100,221.21-150,223.14-50,180.67

Finding the Fourth Proportional to 100,221.21, 150,223.14 and 50,180.67

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Solution

The fourth proportional to 100,221.21, 150,223.14 and 50,180.67 is: 75,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,221.21 : 150,223.14 = 50,180.67 : x
  2. Step 2: Convert to fraction form
    100,221.21/150,223.14 = 50,180.67/x
  3. Step 3: Cross multiply
    100,221.21x = 150,223.14 × 50,180.67
  4. Step 4: Simplify right side
    100,221.21x = 7,538,297,814.70
  5. Step 5: Solve for x
    x = 7,538,297,814.70/100,221.21
  6. Step 6: Final answer
    x = 75,216.59

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1.5x scale

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.