Home / 150,321.96-225,376.12-75,388.04

Finding the Fourth Proportional to 150,321.96, 225,376.12 and 75,388.04

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Solution

The fourth proportional to 150,321.96, 225,376.12 and 75,388.04 is: 113,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,321.96 : 225,376.12 = 75,388.04 : x
  2. Step 2: Convert to fraction form
    150,321.96/225,376.12 = 75,388.04/x
  3. Step 3: Cross multiply
    150,321.96x = 225,376.12 × 75,388.04
  4. Step 4: Simplify right side
    150,321.96x = 16,990,663,949.60
  5. Step 5: Solve for x
    x = 16,990,663,949.60/150,321.96
  6. Step 6: Final answer
    x = 113,028.49

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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.