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Finding the Fourth Proportional to 112,064.31, 154,667.07 and 66,744.81

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Solution

The fourth proportional to 112,064.31, 154,667.07 and 66,744.81 is: 92,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064.31 : 154,667.07 = 66,744.81 : x
  2. Step 2: Convert to fraction form
    112,064.31/154,667.07 = 66,744.81/x
  3. Step 3: Cross multiply
    112,064.31x = 154,667.07 × 66,744.81
  4. Step 4: Simplify right side
    112,064.31x = 10,323,224,200.41
  5. Step 5: Solve for x
    x = 10,323,224,200.41/112,064.31
  6. Step 6: Final answer
    x = 92,118.75

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