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Finding the Fourth Proportional to 129,202.02, 178,258.71 and 75,448.26

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Solution

The fourth proportional to 129,202.02, 178,258.71 and 75,448.26 is: 104,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,202.02 : 178,258.71 = 75,448.26 : x
  2. Step 2: Convert to fraction form
    129,202.02/178,258.71 = 75,448.26/x
  3. Step 3: Cross multiply
    129,202.02x = 178,258.71 × 75,448.26
  4. Step 4: Simplify right side
    129,202.02x = 13,449,309,499.34
  5. Step 5: Solve for x
    x = 13,449,309,499.34/129,202.02
  6. Step 6: Final answer
    x = 104,095.20

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