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Finding the Fourth Proportional to 133,630.05, 200,444.94 and 54,744.42

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Solution

The fourth proportional to 133,630.05, 200,444.94 and 54,744.42 is: 82,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,630.05 : 200,444.94 = 54,744.42 : x
  2. Step 2: Convert to fraction form
    133,630.05/200,444.94 = 54,744.42/x
  3. Step 3: Cross multiply
    133,630.05x = 200,444.94 × 54,744.42
  4. Step 4: Simplify right side
    133,630.05x = 10,973,241,982.23
  5. Step 5: Solve for x
    x = 10,973,241,982.23/133,630.05
  6. Step 6: Final answer
    x = 82,116.57

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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.