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Finding the Fourth Proportional to 104,435.20, 156,652.80 and 51,947.20

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Solution

The fourth proportional to 104,435.20, 156,652.80 and 51,947.20 is: 77,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,435.20 : 156,652.80 = 51,947.20 : x
  2. Step 2: Convert to fraction form
    104,435.20/156,652.80 = 51,947.20/x
  3. Step 3: Cross multiply
    104,435.20x = 156,652.80 × 51,947.20
  4. Step 4: Simplify right side
    104,435.20x = 8,137,674,332.16
  5. Step 5: Solve for x
    x = 8,137,674,332.16/104,435.20
  6. Step 6: Final answer
    x = 77,920.80

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