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Finding the Fourth Proportional to 121,045.98, 166,812.98 and 88,789.56

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Solution

The fourth proportional to 121,045.98, 166,812.98 and 88,789.56 is: 122,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,045.98 : 166,812.98 = 88,789.56 : x
  2. Step 2: Convert to fraction form
    121,045.98/166,812.98 = 88,789.56/x
  3. Step 3: Cross multiply
    121,045.98x = 166,812.98 × 88,789.56
  4. Step 4: Simplify right side
    121,045.98x = 14,811,251,096.49
  5. Step 5: Solve for x
    x = 14,811,251,096.49/121,045.98
  6. Step 6: Final answer
    x = 122,360.54

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