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Finding the Fourth Proportional to 150,661.29, 207,861.09 and 86,084.19

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Solution

The fourth proportional to 150,661.29, 207,861.09 and 86,084.19 is: 118,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,661.29 : 207,861.09 = 86,084.19 : x
  2. Step 2: Convert to fraction form
    150,661.29/207,861.09 = 86,084.19/x
  3. Step 3: Cross multiply
    150,661.29x = 207,861.09 × 86,084.19
  4. Step 4: Simplify right side
    150,661.29x = 17,893,553,565.17
  5. Step 5: Solve for x
    x = 17,893,553,565.17/150,661.29
  6. Step 6: Final answer
    x = 118,766.76

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