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Finding the Fourth Proportional to 137,640.24, 206,435.68 and 37,787.29

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Solution

The fourth proportional to 137,640.24, 206,435.68 and 37,787.29 is: 56,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,640.24 : 206,435.68 = 37,787.29 : x
  2. Step 2: Convert to fraction form
    137,640.24/206,435.68 = 37,787.29/x
  3. Step 3: Cross multiply
    137,640.24x = 206,435.68 × 37,787.29
  4. Step 4: Simplify right side
    137,640.24x = 7,800,644,295.95
  5. Step 5: Solve for x
    x = 7,800,644,295.95/137,640.24
  6. Step 6: Final answer
    x = 56,674.15

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