Home / 135,921.40-203,882.10-88,682.20

Finding the Fourth Proportional to 135,921.40, 203,882.10 and 88,682.20

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Solution

The fourth proportional to 135,921.40, 203,882.10 and 88,682.20 is: 133,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,921.40 : 203,882.10 = 88,682.20 : x
  2. Step 2: Convert to fraction form
    135,921.40/203,882.10 = 88,682.20/x
  3. Step 3: Cross multiply
    135,921.40x = 203,882.10 × 88,682.20
  4. Step 4: Simplify right side
    135,921.40x = 18,080,713,168.62
  5. Step 5: Solve for x
    x = 18,080,713,168.62/135,921.40
  6. Step 6: Final answer
    x = 133,023.30

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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.