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Finding the Fourth Proportional to 109,423.20, 164,134.80 and 35,551.20

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Solution

The fourth proportional to 109,423.20, 164,134.80 and 35,551.20 is: 53,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,423.20 : 164,134.80 = 35,551.20 : x
  2. Step 2: Convert to fraction form
    109,423.20/164,134.80 = 35,551.20/x
  3. Step 3: Cross multiply
    109,423.20x = 164,134.80 × 35,551.20
  4. Step 4: Simplify right side
    109,423.20x = 5,835,189,101.76
  5. Step 5: Solve for x
    x = 5,835,189,101.76/109,423.20
  6. Step 6: Final answer
    x = 53,326.80

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