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Finding the Fourth Proportional to 132,308.36, 198,469.02 and 53,412.74

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Solution

The fourth proportional to 132,308.36, 198,469.02 and 53,412.74 is: 80,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,308.36 : 198,469.02 = 53,412.74 : x
  2. Step 2: Convert to fraction form
    132,308.36/198,469.02 = 53,412.74/x
  3. Step 3: Cross multiply
    132,308.36x = 198,469.02 × 53,412.74
  4. Step 4: Simplify right side
    132,308.36x = 10,600,774,163.31
  5. Step 5: Solve for x
    x = 10,600,774,163.31/132,308.36
  6. Step 6: Final answer
    x = 80,121.73

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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.