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Finding the Fourth Proportional to 122,966.40, 184,449.60 and 120,374.40

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Solution

The fourth proportional to 122,966.40, 184,449.60 and 120,374.40 is: 180,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,966.40 : 184,449.60 = 120,374.40 : x
  2. Step 2: Convert to fraction form
    122,966.40/184,449.60 = 120,374.40/x
  3. Step 3: Cross multiply
    122,966.40x = 184,449.60 × 120,374.40
  4. Step 4: Simplify right side
    122,966.40x = 22,203,009,930.24
  5. Step 5: Solve for x
    x = 22,203,009,930.24/122,966.40
  6. Step 6: Final answer
    x = 180,561.60

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