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Finding the Fourth Proportional to 104,863.83, 157,140.22 and 77,025.75

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Solution

The fourth proportional to 104,863.83, 157,140.22 and 77,025.75 is: 115,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,863.83 : 157,140.22 = 77,025.75 : x
  2. Step 2: Convert to fraction form
    104,863.83/157,140.22 = 77,025.75/x
  3. Step 3: Cross multiply
    104,863.83x = 157,140.22 × 77,025.75
  4. Step 4: Simplify right side
    104,863.83x = 12,103,843,300.67
  5. Step 5: Solve for x
    x = 12,103,843,300.67/104,863.83
  6. Step 6: Final answer
    x = 115,424.39

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