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Finding the Fourth Proportional to 131,083.98, 180,911.28 and 74,503.86

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Solution

The fourth proportional to 131,083.98, 180,911.28 and 74,503.86 is: 102,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,083.98 : 180,911.28 = 74,503.86 : x
  2. Step 2: Convert to fraction form
    131,083.98/180,911.28 = 74,503.86/x
  3. Step 3: Cross multiply
    131,083.98x = 180,911.28 × 74,503.86
  4. Step 4: Simplify right side
    131,083.98x = 13,478,588,677.54
  5. Step 5: Solve for x
    x = 13,478,588,677.54/131,083.98
  6. Step 6: Final answer
    x = 102,824.07

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