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Finding the Fourth Proportional to 76,160.13, 105,047.55 and 53,151.54

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Solution

The fourth proportional to 76,160.13, 105,047.55 and 53,151.54 is: 73,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,160.13 : 105,047.55 = 53,151.54 : x
  2. Step 2: Convert to fraction form
    76,160.13/105,047.55 = 53,151.54/x
  3. Step 3: Cross multiply
    76,160.13x = 105,047.55 × 53,151.54
  4. Step 4: Simplify right side
    76,160.13x = 5,583,439,055.73
  5. Step 5: Solve for x
    x = 5,583,439,055.73/76,160.13
  6. Step 6: Final answer
    x = 73,311.84

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