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Finding the Fourth Proportional to 110,978.88, 166,829.19 and 89,032.35

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Solution

The fourth proportional to 110,978.88, 166,829.19 and 89,032.35 is: 133,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,978.88 : 166,829.19 = 89,032.35 : x
  2. Step 2: Convert to fraction form
    110,978.88/166,829.19 = 89,032.35/x
  3. Step 3: Cross multiply
    110,978.88x = 166,829.19 × 89,032.35
  4. Step 4: Simplify right side
    110,978.88x = 14,853,194,834.30
  5. Step 5: Solve for x
    x = 14,853,194,834.30/110,978.88
  6. Step 6: Final answer
    x = 133,838.03

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