Home / 100,132.29-150,110.91-50,142.33

Finding the Fourth Proportional to 100,132.29, 150,110.91 and 50,142.33

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Solution

The fourth proportional to 100,132.29, 150,110.91 and 50,142.33 is: 75,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,132.29 : 150,110.91 = 50,142.33 : x
  2. Step 2: Convert to fraction form
    100,132.29/150,110.91 = 50,142.33/x
  3. Step 3: Cross multiply
    100,132.29x = 150,110.91 × 50,142.33
  4. Step 4: Simplify right side
    100,132.29x = 7,526,910,785.82
  5. Step 5: Solve for x
    x = 7,526,910,785.82/100,132.29
  6. Step 6: Final answer
    x = 75,169.67

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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.