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Finding the Fourth Proportional to 102,648.44, 141,647.79 and 56,706.05

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Solution

The fourth proportional to 102,648.44, 141,647.79 and 56,706.05 is: 78,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,648.44 : 141,647.79 = 56,706.05 : x
  2. Step 2: Convert to fraction form
    102,648.44/141,647.79 = 56,706.05/x
  3. Step 3: Cross multiply
    102,648.44x = 141,647.79 × 56,706.05
  4. Step 4: Simplify right side
    102,648.44x = 8,032,285,670.36
  5. Step 5: Solve for x
    x = 8,032,285,670.36/102,648.44
  6. Step 6: Final answer
    x = 78,250.44

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