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Finding the Fourth Proportional to 100,131.80, 150,084.70 and 40,935.17

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Solution

The fourth proportional to 100,131.80, 150,084.70 and 40,935.17 is: 61,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,131.80 : 150,084.70 = 40,935.17 : x
  2. Step 2: Convert to fraction form
    100,131.80/150,084.70 = 40,935.17/x
  3. Step 3: Cross multiply
    100,131.80x = 150,084.70 × 40,935.17
  4. Step 4: Simplify right side
    100,131.80x = 6,143,742,981.77
  5. Step 5: Solve for x
    x = 6,143,742,981.77/100,131.80
  6. Step 6: Final answer
    x = 61,356.56

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