Home / 100,230.21-150,236.64-50,189.67

Finding the Fourth Proportional to 100,230.21, 150,236.64 and 50,189.67

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Solution

The fourth proportional to 100,230.21, 150,236.64 and 50,189.67 is: 75,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,230.21 : 150,236.64 = 50,189.67 : x
  2. Step 2: Convert to fraction form
    100,230.21/150,236.64 = 50,189.67/x
  3. Step 3: Cross multiply
    100,230.21x = 150,236.64 × 50,189.67
  4. Step 4: Simplify right side
    100,230.21x = 7,540,327,383.51
  5. Step 5: Solve for x
    x = 7,540,327,383.51/100,230.21
  6. Step 6: Final answer
    x = 75,230.09

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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.