Home / 225,575.44-311,153.34-145,107.88

Finding the Fourth Proportional to 225,575.44, 311,153.34 and 145,107.88

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Solution

The fourth proportional to 225,575.44, 311,153.34 and 145,107.88 is: 200,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,575.44 : 311,153.34 = 145,107.88 : x
  2. Step 2: Convert to fraction form
    225,575.44/311,153.34 = 145,107.88/x
  3. Step 3: Cross multiply
    225,575.44x = 311,153.34 × 145,107.88
  4. Step 4: Simplify right side
    225,575.44x = 45,150,801,522.32
  5. Step 5: Solve for x
    x = 45,150,801,522.32/225,575.44
  6. Step 6: Final answer
    x = 200,158.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.