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Finding the Fourth Proportional to 179,871.76, 269,580.80 and 91,147.60

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Solution

The fourth proportional to 179,871.76, 269,580.80 and 91,147.60 is: 136,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,871.76 : 269,580.80 = 91,147.60 : x
  2. Step 2: Convert to fraction form
    179,871.76/269,580.80 = 91,147.60/x
  3. Step 3: Cross multiply
    179,871.76x = 269,580.80 × 91,147.60
  4. Step 4: Simplify right side
    179,871.76x = 24,571,642,926.08
  5. Step 5: Solve for x
    x = 24,571,642,926.08/179,871.76
  6. Step 6: Final answer
    x = 136,606.45

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