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Finding the Fourth Proportional to 472,231.86, 708,138.80 and 135,195.72

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Solution

The fourth proportional to 472,231.86, 708,138.80 and 135,195.72 is: 202,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,231.86 : 708,138.80 = 135,195.72 : x
  2. Step 2: Convert to fraction form
    472,231.86/708,138.80 = 135,195.72/x
  3. Step 3: Cross multiply
    472,231.86x = 708,138.80 × 135,195.72
  4. Step 4: Simplify right side
    472,231.86x = 95,737,334,925.94
  5. Step 5: Solve for x
    x = 95,737,334,925.94/472,231.86
  6. Step 6: Final answer
    x = 202,733.75

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