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Finding the Fourth Proportional to 132,917.20, 199,318.20 and 54,005.20

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Solution

The fourth proportional to 132,917.20, 199,318.20 and 54,005.20 is: 80,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,917.20 : 199,318.20 = 54,005.20 : x
  2. Step 2: Convert to fraction form
    132,917.20/199,318.20 = 54,005.20/x
  3. Step 3: Cross multiply
    132,917.20x = 199,318.20 × 54,005.20
  4. Step 4: Simplify right side
    132,917.20x = 10,764,219,254.64
  5. Step 5: Solve for x
    x = 10,764,219,254.64/132,917.20
  6. Step 6: Final answer
    x = 80,984.40

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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.