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Finding the Fourth Proportional to 104,721.85, 157,071.84 and 54,781.84

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Solution

The fourth proportional to 104,721.85, 157,071.84 and 54,781.84 is: 82,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,721.85 : 157,071.84 = 54,781.84 : x
  2. Step 2: Convert to fraction form
    104,721.85/157,071.84 = 54,781.84/x
  3. Step 3: Cross multiply
    104,721.85x = 157,071.84 × 54,781.84
  4. Step 4: Simplify right side
    104,721.85x = 8,604,684,407.39
  5. Step 5: Solve for x
    x = 8,604,684,407.39/104,721.85
  6. Step 6: Final answer
    x = 82,167.04

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