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Finding the Fourth Proportional to 112,123.14, 167,994.38 and 67,656.45

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Solution

The fourth proportional to 112,123.14, 167,994.38 and 67,656.45 is: 101,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,123.14 : 167,994.38 = 67,656.45 : x
  2. Step 2: Convert to fraction form
    112,123.14/167,994.38 = 67,656.45/x
  3. Step 3: Cross multiply
    112,123.14x = 167,994.38 × 67,656.45
  4. Step 4: Simplify right side
    112,123.14x = 11,365,903,370.75
  5. Step 5: Solve for x
    x = 11,365,903,370.75/112,123.14
  6. Step 6: Final answer
    x = 101,369.83

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