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Finding the Fourth Proportional to 119,351.92, 164,701.88 and 65,636.78

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Solution

The fourth proportional to 119,351.92, 164,701.88 and 65,636.78 is: 90,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,351.92 : 164,701.88 = 65,636.78 : x
  2. Step 2: Convert to fraction form
    119,351.92/164,701.88 = 65,636.78/x
  3. Step 3: Cross multiply
    119,351.92x = 164,701.88 × 65,636.78
  4. Step 4: Simplify right side
    119,351.92x = 10,810,501,063.15
  5. Step 5: Solve for x
    x = 10,810,501,063.15/119,351.92
  6. Step 6: Final answer
    x = 90,576.68

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