Home / 100,231.12-150,349.20-33,673.60

Finding the Fourth Proportional to 100,231.12, 150,349.20 and 33,673.60

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Solution

The fourth proportional to 100,231.12, 150,349.20 and 33,673.60 is: 50,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,231.12 : 150,349.20 = 33,673.60 : x
  2. Step 2: Convert to fraction form
    100,231.12/150,349.20 = 33,673.60/x
  3. Step 3: Cross multiply
    100,231.12x = 150,349.20 × 33,673.60
  4. Step 4: Simplify right side
    100,231.12x = 5,062,798,821.12
  5. Step 5: Solve for x
    x = 5,062,798,821.12/100,231.12
  6. Step 6: Final answer
    x = 50,511.25

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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.