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Finding the Fourth Proportional to 97,856.99, 135,043.16 and 54,836.57

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Solution

The fourth proportional to 97,856.99, 135,043.16 and 54,836.57 is: 75,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,856.99 : 135,043.16 = 54,836.57 : x
  2. Step 2: Convert to fraction form
    97,856.99/135,043.16 = 54,836.57/x
  3. Step 3: Cross multiply
    97,856.99x = 135,043.16 × 54,836.57
  4. Step 4: Simplify right side
    97,856.99x = 7,405,303,759.79
  5. Step 5: Solve for x
    x = 7,405,303,759.79/97,856.99
  6. Step 6: Final answer
    x = 75,674.76

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