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Finding the Fourth Proportional to 107,470.65, 161,053.21 and 79,168.14

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Solution

The fourth proportional to 107,470.65, 161,053.21 and 79,168.14 is: 118,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,470.65 : 161,053.21 = 79,168.14 : x
  2. Step 2: Convert to fraction form
    107,470.65/161,053.21 = 79,168.14/x
  3. Step 3: Cross multiply
    107,470.65x = 161,053.21 × 79,168.14
  4. Step 4: Simplify right side
    107,470.65x = 12,750,283,076.73
  5. Step 5: Solve for x
    x = 12,750,283,076.73/107,470.65
  6. Step 6: Final answer
    x = 118,639.68

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