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Finding the Fourth Proportional to 156,296.56, 215,689.64 and 84,676.59

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Solution

The fourth proportional to 156,296.56, 215,689.64 and 84,676.59 is: 116,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,296.56 : 215,689.64 = 84,676.59 : x
  2. Step 2: Convert to fraction form
    156,296.56/215,689.64 = 84,676.59/x
  3. Step 3: Cross multiply
    156,296.56x = 215,689.64 × 84,676.59
  4. Step 4: Simplify right side
    156,296.56x = 18,263,861,711.70
  5. Step 5: Solve for x
    x = 18,263,861,711.70/156,296.56
  6. Step 6: Final answer
    x = 116,853.89

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