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Finding the Fourth Proportional to 107,813.20, 161,719.80 and 37,699.60

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Solution

The fourth proportional to 107,813.20, 161,719.80 and 37,699.60 is: 56,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,813.20 : 161,719.80 = 37,699.60 : x
  2. Step 2: Convert to fraction form
    107,813.20/161,719.80 = 37,699.60/x
  3. Step 3: Cross multiply
    107,813.20x = 161,719.80 × 37,699.60
  4. Step 4: Simplify right side
    107,813.20x = 6,096,771,772.08
  5. Step 5: Solve for x
    x = 6,096,771,772.08/107,813.20
  6. Step 6: Final answer
    x = 56,549.40

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