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Finding the Fourth Proportional to 122,966.40, 184,449.60 and 105,470.40

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Solution

The fourth proportional to 122,966.40, 184,449.60 and 105,470.40 is: 158,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,966.40 : 184,449.60 = 105,470.40 : x
  2. Step 2: Convert to fraction form
    122,966.40/184,449.60 = 105,470.40/x
  3. Step 3: Cross multiply
    122,966.40x = 184,449.60 × 105,470.40
  4. Step 4: Simplify right side
    122,966.40x = 19,453,973,091.84
  5. Step 5: Solve for x
    x = 19,453,973,091.84/122,966.40
  6. Step 6: Final answer
    x = 158,205.60

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