Home / 133,786.89-200,654.78-67,208.54

Finding the Fourth Proportional to 133,786.89, 200,654.78 and 67,208.54

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Solution

The fourth proportional to 133,786.89, 200,654.78 and 67,208.54 is: 100,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,786.89 : 200,654.78 = 67,208.54 : x
  2. Step 2: Convert to fraction form
    133,786.89/200,654.78 = 67,208.54/x
  3. Step 3: Cross multiply
    133,786.89x = 200,654.78 × 67,208.54
  4. Step 4: Simplify right side
    133,786.89x = 13,485,713,468.50
  5. Step 5: Solve for x
    x = 13,485,713,468.50/133,786.89
  6. Step 6: Final answer
    x = 100,799.96

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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.