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Finding the Fourth Proportional to 97,490.94, 134,558.76 and 61,728.60

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Solution

The fourth proportional to 97,490.94, 134,558.76 and 61,728.60 is: 85,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,490.94 : 134,558.76 = 61,728.60 : x
  2. Step 2: Convert to fraction form
    97,490.94/134,558.76 = 61,728.60/x
  3. Step 3: Cross multiply
    97,490.94x = 134,558.76 × 61,728.60
  4. Step 4: Simplify right side
    97,490.94x = 8,306,123,872.54
  5. Step 5: Solve for x
    x = 8,306,123,872.54/97,490.94
  6. Step 6: Final answer
    x = 85,198.93

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