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Finding the Fourth Proportional to 169,601.60, 254,431.20 and 90,694.40

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Solution

The fourth proportional to 169,601.60, 254,431.20 and 90,694.40 is: 136,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,601.60 : 254,431.20 = 90,694.40 : x
  2. Step 2: Convert to fraction form
    169,601.60/254,431.20 = 90,694.40/x
  3. Step 3: Cross multiply
    169,601.60x = 254,431.20 × 90,694.40
  4. Step 4: Simplify right side
    169,601.60x = 23,075,485,025.28
  5. Step 5: Solve for x
    x = 23,075,485,025.28/169,601.60
  6. Step 6: Final answer
    x = 136,057.00

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