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Finding the Fourth Proportional to 113,730.67, 170,743.83 and 87,453.86

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Solution

The fourth proportional to 113,730.67, 170,743.83 and 87,453.86 is: 131,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,730.67 : 170,743.83 = 87,453.86 : x
  2. Step 2: Convert to fraction form
    113,730.67/170,743.83 = 87,453.86/x
  3. Step 3: Cross multiply
    113,730.67x = 170,743.83 × 87,453.86
  4. Step 4: Simplify right side
    113,730.67x = 14,932,207,004.68
  5. Step 5: Solve for x
    x = 14,932,207,004.68/113,730.67
  6. Step 6: Final answer
    x = 131,294.46

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