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Finding the Fourth Proportional to 107,479.64, 161,198.44 and 102,145.34

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Solution

The fourth proportional to 107,479.64, 161,198.44 and 102,145.34 is: 153,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,479.64 : 161,198.44 = 102,145.34 : x
  2. Step 2: Convert to fraction form
    107,479.64/161,198.44 = 102,145.34/x
  3. Step 3: Cross multiply
    107,479.64x = 161,198.44 × 102,145.34
  4. Step 4: Simplify right side
    107,479.64x = 16,465,669,461.27
  5. Step 5: Solve for x
    x = 16,465,669,461.27/107,479.64
  6. Step 6: Final answer
    x = 153,198.03

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