Home / 135,922.20-203,912.48-52,816.20

Finding the Fourth Proportional to 135,922.20, 203,912.48 and 52,816.20

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Solution

The fourth proportional to 135,922.20, 203,912.48 and 52,816.20 is: 79,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,922.20 : 203,912.48 = 52,816.20 : x
  2. Step 2: Convert to fraction form
    135,922.20/203,912.48 = 52,816.20/x
  3. Step 3: Cross multiply
    135,922.20x = 203,912.48 × 52,816.20
  4. Step 4: Simplify right side
    135,922.20x = 10,769,882,326.18
  5. Step 5: Solve for x
    x = 10,769,882,326.18/135,922.20
  6. Step 6: Final answer
    x = 79,235.64

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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.