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Finding the Fourth Proportional to 105,469.60, 158,123.40 and 52,916.80

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Solution

The fourth proportional to 105,469.60, 158,123.40 and 52,916.80 is: 79,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,469.60 : 158,123.40 = 52,916.80 : x
  2. Step 2: Convert to fraction form
    105,469.60/158,123.40 = 52,916.80/x
  3. Step 3: Cross multiply
    105,469.60x = 158,123.40 × 52,916.80
  4. Step 4: Simplify right side
    105,469.60x = 8,367,384,333.12
  5. Step 5: Solve for x
    x = 8,367,384,333.12/105,469.60
  6. Step 6: Final answer
    x = 79,334.56

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