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Finding the Fourth Proportional to 123,043.60, 184,565.40 and 105,328.90

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Solution

The fourth proportional to 123,043.60, 184,565.40 and 105,328.90 is: 157,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,043.60 : 184,565.40 = 105,328.90 : x
  2. Step 2: Convert to fraction form
    123,043.60/184,565.40 = 105,328.90/x
  3. Step 3: Cross multiply
    123,043.60x = 184,565.40 × 105,328.90
  4. Step 4: Simplify right side
    123,043.60x = 19,440,070,560.06
  5. Step 5: Solve for x
    x = 19,440,070,560.06/123,043.60
  6. Step 6: Final answer
    x = 157,993.35

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