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Finding the Fourth Proportional to 174,800.40, 261,973.80 and 81,106.80

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Solution

The fourth proportional to 174,800.40, 261,973.80 and 81,106.80 is: 121,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,800.40 : 261,973.80 = 81,106.80 : x
  2. Step 2: Convert to fraction form
    174,800.40/261,973.80 = 81,106.80/x
  3. Step 3: Cross multiply
    174,800.40x = 261,973.80 × 81,106.80
  4. Step 4: Simplify right side
    174,800.40x = 21,247,856,601.84
  5. Step 5: Solve for x
    x = 21,247,856,601.84/174,800.40
  6. Step 6: Final answer
    x = 121,554.97

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