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Finding the Fourth Proportional to 118,204.20, 176,874.30 and 87,100.20

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Solution

The fourth proportional to 118,204.20, 176,874.30 and 87,100.20 is: 130,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,204.20 : 176,874.30 = 87,100.20 : x
  2. Step 2: Convert to fraction form
    118,204.20/176,874.30 = 87,100.20/x
  3. Step 3: Cross multiply
    118,204.20x = 176,874.30 × 87,100.20
  4. Step 4: Simplify right side
    118,204.20x = 15,405,786,904.86
  5. Step 5: Solve for x
    x = 15,405,786,904.86/118,204.20
  6. Step 6: Final answer
    x = 130,331.98

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