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Finding the Fourth Proportional to 100,623.76, 150,940.81 and 25,744.55

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Solution

The fourth proportional to 100,623.76, 150,940.81 and 25,744.55 is: 38,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,623.76 : 150,940.81 = 25,744.55 : x
  2. Step 2: Convert to fraction form
    100,623.76/150,940.81 = 25,744.55/x
  3. Step 3: Cross multiply
    100,623.76x = 150,940.81 × 25,744.55
  4. Step 4: Simplify right side
    100,623.76x = 3,885,903,543.08
  5. Step 5: Solve for x
    x = 3,885,903,543.08/100,623.76
  6. Step 6: Final answer
    x = 38,618.15

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