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Finding the Fourth Proportional to 109,903.40, 164,855.10 and 39,773.60

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Solution

The fourth proportional to 109,903.40, 164,855.10 and 39,773.60 is: 59,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,903.40 : 164,855.10 = 39,773.60 : x
  2. Step 2: Convert to fraction form
    109,903.40/164,855.10 = 39,773.60/x
  3. Step 3: Cross multiply
    109,903.40x = 164,855.10 × 39,773.60
  4. Step 4: Simplify right side
    109,903.40x = 6,556,880,805.36
  5. Step 5: Solve for x
    x = 6,556,880,805.36/109,903.40
  6. Step 6: Final answer
    x = 59,660.40

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