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Finding the Fourth Proportional to 143,869.64, 198,665.46 and 90,246.83

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Solution

The fourth proportional to 143,869.64, 198,665.46 and 90,246.83 is: 124,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,869.64 : 198,665.46 = 90,246.83 : x
  2. Step 2: Convert to fraction form
    143,869.64/198,665.46 = 90,246.83/x
  3. Step 3: Cross multiply
    143,869.64x = 198,665.46 × 90,246.83
  4. Step 4: Simplify right side
    143,869.64x = 17,928,927,002.16
  5. Step 5: Solve for x
    x = 17,928,927,002.16/143,869.64
  6. Step 6: Final answer
    x = 124,619.26

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