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Finding the Fourth Proportional to 104,256.70, 156,348.60 and 54,320.20

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Solution

The fourth proportional to 104,256.70, 156,348.60 and 54,320.20 is: 81,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,256.70 : 156,348.60 = 54,320.20 : x
  2. Step 2: Convert to fraction form
    104,256.70/156,348.60 = 54,320.20/x
  3. Step 3: Cross multiply
    104,256.70x = 156,348.60 × 54,320.20
  4. Step 4: Simplify right side
    104,256.70x = 8,492,887,221.72
  5. Step 5: Solve for x
    x = 8,492,887,221.72/104,256.70
  6. Step 6: Final answer
    x = 81,461.31

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