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Finding the Fourth Proportional to 149,695.56, 206,574.66 and 89,235

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Solution

The fourth proportional to 149,695.56, 206,574.66 and 89,235 is: 123,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,695.56 : 206,574.66 = 89,235 : x
  2. Step 2: Convert to fraction form
    149,695.56/206,574.66 = 89,235/x
  3. Step 3: Cross multiply
    149,695.56x = 206,574.66 × 89,235
  4. Step 4: Simplify right side
    149,695.56x = 18,433,689,785.10
  5. Step 5: Solve for x
    x = 18,433,689,785.10/149,695.56
  6. Step 6: Final answer
    x = 123,141.19

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