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Finding the Fourth Proportional to 131,423.20, 197,113.20 and 36,659.86

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Solution

The fourth proportional to 131,423.20, 197,113.20 and 36,659.86 is: 54,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.20 : 197,113.20 = 36,659.86 : x
  2. Step 2: Convert to fraction form
    131,423.20/197,113.20 = 36,659.86/x
  3. Step 3: Cross multiply
    131,423.20x = 197,113.20 × 36,659.86
  4. Step 4: Simplify right side
    131,423.20x = 7,226,142,316.15
  5. Step 5: Solve for x
    x = 7,226,142,316.15/131,423.20
  6. Step 6: Final answer
    x = 54,983.76

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