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Finding the Fourth Proportional to 129,900.26, 179,258.73 and 73,316.90

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Solution

The fourth proportional to 129,900.26, 179,258.73 and 73,316.90 is: 101,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,900.26 : 179,258.73 = 73,316.90 : x
  2. Step 2: Convert to fraction form
    129,900.26/179,258.73 = 73,316.90/x
  3. Step 3: Cross multiply
    129,900.26x = 179,258.73 × 73,316.90
  4. Step 4: Simplify right side
    129,900.26x = 13,142,694,381.54
  5. Step 5: Solve for x
    x = 13,142,694,381.54/129,900.26
  6. Step 6: Final answer
    x = 101,175.27

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