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Finding the Fourth Proportional to 108,546.70, 162,722.85 and 71,124.70

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Solution

The fourth proportional to 108,546.70, 162,722.85 and 71,124.70 is: 106,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,546.70 : 162,722.85 = 71,124.70 : x
  2. Step 2: Convert to fraction form
    108,546.70/162,722.85 = 71,124.70/x
  3. Step 3: Cross multiply
    108,546.70x = 162,722.85 × 71,124.70
  4. Step 4: Simplify right side
    108,546.70x = 11,573,613,889.40
  5. Step 5: Solve for x
    x = 11,573,613,889.40/108,546.70
  6. Step 6: Final answer
    x = 106,623.36

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