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Finding the Fourth Proportional to 125,223.75, 172,808.78 and 68,633.91

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Solution

The fourth proportional to 125,223.75, 172,808.78 and 68,633.91 is: 94,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,223.75 : 172,808.78 = 68,633.91 : x
  2. Step 2: Convert to fraction form
    125,223.75/172,808.78 = 68,633.91/x
  3. Step 3: Cross multiply
    125,223.75x = 172,808.78 × 68,633.91
  4. Step 4: Simplify right side
    125,223.75x = 11,860,541,910.56
  5. Step 5: Solve for x
    x = 11,860,541,910.56/125,223.75
  6. Step 6: Final answer
    x = 94,714.80

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