Home / 204,357.78-306,533.09-91,958.45

Finding the Fourth Proportional to 204,357.78, 306,533.09 and 91,958.45

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Solution

The fourth proportional to 204,357.78, 306,533.09 and 91,958.45 is: 137,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,357.78 : 306,533.09 = 91,958.45 : x
  2. Step 2: Convert to fraction form
    204,357.78/306,533.09 = 91,958.45/x
  3. Step 3: Cross multiply
    204,357.78x = 306,533.09 × 91,958.45
  4. Step 4: Simplify right side
    204,357.78x = 28,188,306,527.34
  5. Step 5: Solve for x
    x = 28,188,306,527.34/204,357.78
  6. Step 6: Final answer
    x = 137,936.06

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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.