Home / 204,144.21-306,286.56-91,903.23

Finding the Fourth Proportional to 204,144.21, 306,286.56 and 91,903.23

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Solution

The fourth proportional to 204,144.21, 306,286.56 and 91,903.23 is: 137,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,144.21 : 306,286.56 = 91,903.23 : x
  2. Step 2: Convert to fraction form
    204,144.21/306,286.56 = 91,903.23/x
  3. Step 3: Cross multiply
    204,144.21x = 306,286.56 × 91,903.23
  4. Step 4: Simplify right side
    204,144.21x = 28,148,724,169.59
  5. Step 5: Solve for x
    x = 28,148,724,169.59/204,144.21
  6. Step 6: Final answer
    x = 137,886.47

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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.