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Finding the Fourth Proportional to 135,382.40, 203,073.60 and 133,049.60

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Solution

The fourth proportional to 135,382.40, 203,073.60 and 133,049.60 is: 199,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,382.40 : 203,073.60 = 133,049.60 : x
  2. Step 2: Convert to fraction form
    135,382.40/203,073.60 = 133,049.60/x
  3. Step 3: Cross multiply
    135,382.40x = 203,073.60 × 133,049.60
  4. Step 4: Simplify right side
    135,382.40x = 27,018,861,250.56
  5. Step 5: Solve for x
    x = 27,018,861,250.56/135,382.40
  6. Step 6: Final answer
    x = 199,574.40

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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.