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Finding the Fourth Proportional to 135,040.92, 186,351.44 and 74,610.27

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Solution

The fourth proportional to 135,040.92, 186,351.44 and 74,610.27 is: 102,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,040.92 : 186,351.44 = 74,610.27 : x
  2. Step 2: Convert to fraction form
    135,040.92/186,351.44 = 74,610.27/x
  3. Step 3: Cross multiply
    135,040.92x = 186,351.44 × 74,610.27
  4. Step 4: Simplify right side
    135,040.92x = 13,903,731,253.29
  5. Step 5: Solve for x
    x = 13,903,731,253.29/135,040.92
  6. Step 6: Final answer
    x = 102,959.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.