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Finding the Fourth Proportional to 122,856.25, 184,198.86 and 54,430.66

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Solution

The fourth proportional to 122,856.25, 184,198.86 and 54,430.66 is: 81,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,856.25 : 184,198.86 = 54,430.66 : x
  2. Step 2: Convert to fraction form
    122,856.25/184,198.86 = 54,430.66/x
  3. Step 3: Cross multiply
    122,856.25x = 184,198.86 × 54,430.66
  4. Step 4: Simplify right side
    122,856.25x = 10,026,065,521.05
  5. Step 5: Solve for x
    x = 10,026,065,521.05/122,856.25
  6. Step 6: Final answer
    x = 81,608.10

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