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Finding the Fourth Proportional to 133,871.92, 200,688.56 and 50,824.24

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Solution

The fourth proportional to 133,871.92, 200,688.56 and 50,824.24 is: 76,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,871.92 : 200,688.56 = 50,824.24 : x
  2. Step 2: Convert to fraction form
    133,871.92/200,688.56 = 50,824.24/x
  3. Step 3: Cross multiply
    133,871.92x = 200,688.56 × 50,824.24
  4. Step 4: Simplify right side
    133,871.92x = 10,199,843,538.69
  5. Step 5: Solve for x
    x = 10,199,843,538.69/133,871.92
  6. Step 6: Final answer
    x = 76,191.06

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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.