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Finding the Fourth Proportional to 107,308.40, 161,092.20 and 106,530.80

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Solution

The fourth proportional to 107,308.40, 161,092.20 and 106,530.80 is: 159,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,308.40 : 161,092.20 = 106,530.80 : x
  2. Step 2: Convert to fraction form
    107,308.40/161,092.20 = 106,530.80/x
  3. Step 3: Cross multiply
    107,308.40x = 161,092.20 × 106,530.80
  4. Step 4: Simplify right side
    107,308.40x = 17,161,280,939.76
  5. Step 5: Solve for x
    x = 17,161,280,939.76/107,308.40
  6. Step 6: Final answer
    x = 159,924.86

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