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Finding the Fourth Proportional to 107,974.37, 148,971.60 and 62,636.64

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Solution

The fourth proportional to 107,974.37, 148,971.60 and 62,636.64 is: 86,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,974.37 : 148,971.60 = 62,636.64 : x
  2. Step 2: Convert to fraction form
    107,974.37/148,971.60 = 62,636.64/x
  3. Step 3: Cross multiply
    107,974.37x = 148,971.60 × 62,636.64
  4. Step 4: Simplify right side
    107,974.37x = 9,331,080,479.42
  5. Step 5: Solve for x
    x = 9,331,080,479.42/107,974.37
  6. Step 6: Final answer
    x = 86,419.41

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