Home / 204,212.34-306,213.21-91,796.49

Finding the Fourth Proportional to 204,212.34, 306,213.21 and 91,796.49

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Solution

The fourth proportional to 204,212.34, 306,213.21 and 91,796.49 is: 137,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,212.34 : 306,213.21 = 91,796.49 : x
  2. Step 2: Convert to fraction form
    204,212.34/306,213.21 = 91,796.49/x
  3. Step 3: Cross multiply
    204,212.34x = 306,213.21 × 91,796.49
  4. Step 4: Simplify right side
    204,212.34x = 28,109,297,869.63
  5. Step 5: Solve for x
    x = 28,109,297,869.63/204,212.34
  6. Step 6: Final answer
    x = 137,647.40

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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.