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Finding the Fourth Proportional to 137,753.63, 206,630.45 and 54,647.63

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Solution

The fourth proportional to 137,753.63, 206,630.45 and 54,647.63 is: 81,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,753.63 : 206,630.45 = 54,647.63 : x
  2. Step 2: Convert to fraction form
    137,753.63/206,630.45 = 54,647.63/x
  3. Step 3: Cross multiply
    137,753.63x = 206,630.45 × 54,647.63
  4. Step 4: Simplify right side
    137,753.63x = 11,291,863,071.94
  5. Step 5: Solve for x
    x = 11,291,863,071.94/137,753.63
  6. Step 6: Final answer
    x = 81,971.44

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