Home / 204,216.94-306,325.55-63,986.50

Finding the Fourth Proportional to 204,216.94, 306,325.55 and 63,986.50

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Solution

The fourth proportional to 204,216.94, 306,325.55 and 63,986.50 is: 95,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,216.94 : 306,325.55 = 63,986.50 : x
  2. Step 2: Convert to fraction form
    204,216.94/306,325.55 = 63,986.50/x
  3. Step 3: Cross multiply
    204,216.94x = 306,325.55 × 63,986.50
  4. Step 4: Simplify right side
    204,216.94x = 19,600,699,805.08
  5. Step 5: Solve for x
    x = 19,600,699,805.08/204,216.94
  6. Step 6: Final answer
    x = 95,979.79

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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.