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Finding the Fourth Proportional to 129,817.29, 179,147.79 and 70,201.29

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Solution

The fourth proportional to 129,817.29, 179,147.79 and 70,201.29 is: 96,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,817.29 : 179,147.79 = 70,201.29 : x
  2. Step 2: Convert to fraction form
    129,817.29/179,147.79 = 70,201.29/x
  3. Step 3: Cross multiply
    129,817.29x = 179,147.79 × 70,201.29
  4. Step 4: Simplify right side
    129,817.29x = 12,576,405,607.64
  5. Step 5: Solve for x
    x = 12,576,405,607.64/129,817.29
  6. Step 6: Final answer
    x = 96,877.74

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