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Finding the Fourth Proportional to 133,048.20, 199,596.60 and 54,170.40

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Solution

The fourth proportional to 133,048.20, 199,596.60 and 54,170.40 is: 81,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048.20 : 199,596.60 = 54,170.40 : x
  2. Step 2: Convert to fraction form
    133,048.20/199,596.60 = 54,170.40/x
  3. Step 3: Cross multiply
    133,048.20x = 199,596.60 × 54,170.40
  4. Step 4: Simplify right side
    133,048.20x = 10,812,227,660.64
  5. Step 5: Solve for x
    x = 10,812,227,660.64/133,048.20
  6. Step 6: Final answer
    x = 81,265.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.