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Finding the Fourth Proportional to 123,022.60, 184,533.90 and 120,689.80

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Solution

The fourth proportional to 123,022.60, 184,533.90 and 120,689.80 is: 181,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,022.60 : 184,533.90 = 120,689.80 : x
  2. Step 2: Convert to fraction form
    123,022.60/184,533.90 = 120,689.80/x
  3. Step 3: Cross multiply
    123,022.60x = 184,533.90 × 120,689.80
  4. Step 4: Simplify right side
    123,022.60x = 22,271,359,484.22
  5. Step 5: Solve for x
    x = 22,271,359,484.22/123,022.60
  6. Step 6: Final answer
    x = 181,034.70

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