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Finding the Fourth Proportional to 145,996.80, 218,995.20 and 116,472.30

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Solution

The fourth proportional to 145,996.80, 218,995.20 and 116,472.30 is: 174,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,996.80 : 218,995.20 = 116,472.30 : x
  2. Step 2: Convert to fraction form
    145,996.80/218,995.20 = 116,472.30/x
  3. Step 3: Cross multiply
    145,996.80x = 218,995.20 × 116,472.30
  4. Step 4: Simplify right side
    145,996.80x = 25,506,874,632.96
  5. Step 5: Solve for x
    x = 25,506,874,632.96/145,996.80
  6. Step 6: Final answer
    x = 174,708.45

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