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Finding the Fourth Proportional to 109,769.40, 164,423.70 and 60,463.80

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Solution

The fourth proportional to 109,769.40, 164,423.70 and 60,463.80 is: 90,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,769.40 : 164,423.70 = 60,463.80 : x
  2. Step 2: Convert to fraction form
    109,769.40/164,423.70 = 60,463.80/x
  3. Step 3: Cross multiply
    109,769.40x = 164,423.70 × 60,463.80
  4. Step 4: Simplify right side
    109,769.40x = 9,941,681,712.06
  5. Step 5: Solve for x
    x = 9,941,681,712.06/109,769.40
  6. Step 6: Final answer
    x = 90,568.79

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