Home / 204,142.28-306,213.41-71,022.42

Finding the Fourth Proportional to 204,142.28, 306,213.41 and 71,022.42

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Solution

The fourth proportional to 204,142.28, 306,213.41 and 71,022.42 is: 106,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,142.28 : 306,213.41 = 71,022.42 : x
  2. Step 2: Convert to fraction form
    204,142.28/306,213.41 = 71,022.42/x
  3. Step 3: Cross multiply
    204,142.28x = 306,213.41 × 71,022.42
  4. Step 4: Simplify right side
    204,142.28x = 21,748,017,592.21
  5. Step 5: Solve for x
    x = 21,748,017,592.21/204,142.28
  6. Step 6: Final answer
    x = 106,533.63

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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.