Home / 100,151.32-150,255.24-50,171.08

Finding the Fourth Proportional to 100,151.32, 150,255.24 and 50,171.08

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Solution

The fourth proportional to 100,151.32, 150,255.24 and 50,171.08 is: 75,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,151.32 : 150,255.24 = 50,171.08 : x
  2. Step 2: Convert to fraction form
    100,151.32/150,255.24 = 50,171.08/x
  3. Step 3: Cross multiply
    100,151.32x = 150,255.24 × 50,171.08
  4. Step 4: Simplify right side
    100,151.32x = 7,538,467,666.46
  5. Step 5: Solve for x
    x = 7,538,467,666.46/100,151.32
  6. Step 6: Final answer
    x = 75,270.78

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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.