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Finding the Fourth Proportional to 132,952.40, 199,428.60 and 80,464.40

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Solution

The fourth proportional to 132,952.40, 199,428.60 and 80,464.40 is: 120,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,952.40 : 199,428.60 = 80,464.40 : x
  2. Step 2: Convert to fraction form
    132,952.40/199,428.60 = 80,464.40/x
  3. Step 3: Cross multiply
    132,952.40x = 199,428.60 × 80,464.40
  4. Step 4: Simplify right side
    132,952.40x = 16,046,902,641.84
  5. Step 5: Solve for x
    x = 16,046,902,641.84/132,952.40
  6. Step 6: Final answer
    x = 120,696.60

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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.