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Finding the Fourth Proportional to 116,987.88, 161,442.80 and 63,272.96

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Solution

The fourth proportional to 116,987.88, 161,442.80 and 63,272.96 is: 87,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,987.88 : 161,442.80 = 63,272.96 : x
  2. Step 2: Convert to fraction form
    116,987.88/161,442.80 = 63,272.96/x
  3. Step 3: Cross multiply
    116,987.88x = 161,442.80 × 63,272.96
  4. Step 4: Simplify right side
    116,987.88x = 10,214,963,826.69
  5. Step 5: Solve for x
    x = 10,214,963,826.69/116,987.88
  6. Step 6: Final answer
    x = 87,316.43

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