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Finding the Fourth Proportional to 122,959.10, 184,438.65 and 112,072.70

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Solution

The fourth proportional to 122,959.10, 184,438.65 and 112,072.70 is: 168,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,959.10 : 184,438.65 = 112,072.70 : x
  2. Step 2: Convert to fraction form
    122,959.10/184,438.65 = 112,072.70/x
  3. Step 3: Cross multiply
    122,959.10x = 184,438.65 × 112,072.70
  4. Step 4: Simplify right side
    122,959.10x = 20,670,537,489.86
  5. Step 5: Solve for x
    x = 20,670,537,489.86/122,959.10
  6. Step 6: Final answer
    x = 168,109.05

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