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Finding the Fourth Proportional to 123,036.80, 184,545.60 and 48,142.40

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Solution

The fourth proportional to 123,036.80, 184,545.60 and 48,142.40 is: 72,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,036.80 : 184,545.60 = 48,142.40 : x
  2. Step 2: Convert to fraction form
    123,036.80/184,545.60 = 48,142.40/x
  3. Step 3: Cross multiply
    123,036.80x = 184,545.60 × 48,142.40
  4. Step 4: Simplify right side
    123,036.80x = 8,884,468,093.44
  5. Step 5: Solve for x
    x = 8,884,468,093.44/123,036.80
  6. Step 6: Final answer
    x = 72,209.84

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