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Finding the Fourth Proportional to 133,769.84, 200,655.12 and 33,930.12

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Solution

The fourth proportional to 133,769.84, 200,655.12 and 33,930.12 is: 50,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,769.84 : 200,655.12 = 33,930.12 : x
  2. Step 2: Convert to fraction form
    133,769.84/200,655.12 = 33,930.12/x
  3. Step 3: Cross multiply
    133,769.84x = 200,655.12 × 33,930.12
  4. Step 4: Simplify right side
    133,769.84x = 6,808,252,300.21
  5. Step 5: Solve for x
    x = 6,808,252,300.21/133,769.84
  6. Step 6: Final answer
    x = 50,895.27

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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.