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Finding the Fourth Proportional to 150,405.90, 207,554.06 and 89,940.90

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Solution

The fourth proportional to 150,405.90, 207,554.06 and 89,940.90 is: 124,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,405.90 : 207,554.06 = 89,940.90 : x
  2. Step 2: Convert to fraction form
    150,405.90/207,554.06 = 89,940.90/x
  3. Step 3: Cross multiply
    150,405.90x = 207,554.06 × 89,940.90
  4. Step 4: Simplify right side
    150,405.90x = 18,667,598,955.05
  5. Step 5: Solve for x
    x = 18,667,598,955.05/150,405.90
  6. Step 6: Final answer
    x = 124,114.81

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