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Finding the Fourth Proportional to 131,311.86, 197,152.74 and 67,316.58

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Solution

The fourth proportional to 131,311.86, 197,152.74 and 67,316.58 is: 101,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,311.86 : 197,152.74 = 67,316.58 : x
  2. Step 2: Convert to fraction form
    131,311.86/197,152.74 = 67,316.58/x
  3. Step 3: Cross multiply
    131,311.86x = 197,152.74 × 67,316.58
  4. Step 4: Simplify right side
    131,311.86x = 13,271,648,194.43
  5. Step 5: Solve for x
    x = 13,271,648,194.43/131,311.86
  6. Step 6: Final answer
    x = 101,069.68

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