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Finding the Fourth Proportional to 107,572.62, 161,331.51 and 76,276.65

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Solution

The fourth proportional to 107,572.62, 161,331.51 and 76,276.65 is: 114,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,572.62 : 161,331.51 = 76,276.65 : x
  2. Step 2: Convert to fraction form
    107,572.62/161,331.51 = 76,276.65/x
  3. Step 3: Cross multiply
    107,572.62x = 161,331.51 × 76,276.65
  4. Step 4: Simplify right side
    107,572.62x = 12,305,827,122.24
  5. Step 5: Solve for x
    x = 12,305,827,122.24/107,572.62
  6. Step 6: Final answer
    x = 114,395.53

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