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Finding the Fourth Proportional to 107,846.80, 161,770.20 and 103,296.40

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Solution

The fourth proportional to 107,846.80, 161,770.20 and 103,296.40 is: 154,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,846.80 : 161,770.20 = 103,296.40 : x
  2. Step 2: Convert to fraction form
    107,846.80/161,770.20 = 103,296.40/x
  3. Step 3: Cross multiply
    107,846.80x = 161,770.20 × 103,296.40
  4. Step 4: Simplify right side
    107,846.80x = 16,710,279,287.28
  5. Step 5: Solve for x
    x = 16,710,279,287.28/107,846.80
  6. Step 6: Final answer
    x = 154,944.60

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