Home / 133,621.05-200,431.44-54,735.42

Finding the Fourth Proportional to 133,621.05, 200,431.44 and 54,735.42

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Solution

The fourth proportional to 133,621.05, 200,431.44 and 54,735.42 is: 82,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,621.05 : 200,431.44 = 54,735.42 : x
  2. Step 2: Convert to fraction form
    133,621.05/200,431.44 = 54,735.42/x
  3. Step 3: Cross multiply
    133,621.05x = 200,431.44 × 54,735.42
  4. Step 4: Simplify right side
    133,621.05x = 10,970,699,049.60
  5. Step 5: Solve for x
    x = 10,970,699,049.60/133,621.05
  6. Step 6: Final answer
    x = 82,103.07

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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.