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Finding the Fourth Proportional to 92,742.86, 139,310.99 and 87,343.94

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Solution

The fourth proportional to 92,742.86, 139,310.99 and 87,343.94 is: 131,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,742.86 : 139,310.99 = 87,343.94 : x
  2. Step 2: Convert to fraction form
    92,742.86/139,310.99 = 87,343.94/x
  3. Step 3: Cross multiply
    92,742.86x = 139,310.99 × 87,343.94
  4. Step 4: Simplify right side
    92,742.86x = 12,167,970,751.90
  5. Step 5: Solve for x
    x = 12,167,970,751.90/92,742.86
  6. Step 6: Final answer
    x = 131,201.16

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