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Finding the Fourth Proportional to 133,914.28, 200,871.42 and 50,808.28

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Solution

The fourth proportional to 133,914.28, 200,871.42 and 50,808.28 is: 76,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,914.28 : 200,871.42 = 50,808.28 : x
  2. Step 2: Convert to fraction form
    133,914.28/200,871.42 = 50,808.28/x
  3. Step 3: Cross multiply
    133,914.28x = 200,871.42 × 50,808.28
  4. Step 4: Simplify right side
    133,914.28x = 10,205,931,351.36
  5. Step 5: Solve for x
    x = 10,205,931,351.36/133,914.28
  6. Step 6: Final answer
    x = 76,212.42

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1.5x scale

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.