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Finding the Fourth Proportional to 132,800.40, 199,200.60 and 119,678.40

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Solution

The fourth proportional to 132,800.40, 199,200.60 and 119,678.40 is: 179,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,800.40 : 199,200.60 = 119,678.40 : x
  2. Step 2: Convert to fraction form
    132,800.40/199,200.60 = 119,678.40/x
  3. Step 3: Cross multiply
    132,800.40x = 199,200.60 × 119,678.40
  4. Step 4: Simplify right side
    132,800.40x = 23,840,009,087.04
  5. Step 5: Solve for x
    x = 23,840,009,087.04/132,800.40
  6. Step 6: Final answer
    x = 179,517.60

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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.