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Finding the Fourth Proportional to 108,678.88, 162,777.48 and 83,533.78

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Solution

The fourth proportional to 108,678.88, 162,777.48 and 83,533.78 is: 125,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,678.88 : 162,777.48 = 83,533.78 : x
  2. Step 2: Convert to fraction form
    108,678.88/162,777.48 = 83,533.78/x
  3. Step 3: Cross multiply
    108,678.88x = 162,777.48 × 83,533.78
  4. Step 4: Simplify right side
    108,678.88x = 13,597,418,203.27
  5. Step 5: Solve for x
    x = 13,597,418,203.27/108,678.88
  6. Step 6: Final answer
    x = 125,115.55

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