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Finding the Fourth Proportional to 115,893.60, 173,840.40 and 56,738.40

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Solution

The fourth proportional to 115,893.60, 173,840.40 and 56,738.40 is: 85,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893.60 : 173,840.40 = 56,738.40 : x
  2. Step 2: Convert to fraction form
    115,893.60/173,840.40 = 56,738.40/x
  3. Step 3: Cross multiply
    115,893.60x = 173,840.40 × 56,738.40
  4. Step 4: Simplify right side
    115,893.60x = 9,863,426,151.36
  5. Step 5: Solve for x
    x = 9,863,426,151.36/115,893.60
  6. Step 6: Final answer
    x = 85,107.60

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