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Finding the Fourth Proportional to 139,591.89, 209,385.14 and 39,752.73

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Solution

The fourth proportional to 139,591.89, 209,385.14 and 39,752.73 is: 59,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,591.89 : 209,385.14 = 39,752.73 : x
  2. Step 2: Convert to fraction form
    139,591.89/209,385.14 = 39,752.73/x
  3. Step 3: Cross multiply
    139,591.89x = 209,385.14 × 39,752.73
  4. Step 4: Simplify right side
    139,591.89x = 8,323,630,737.67
  5. Step 5: Solve for x
    x = 8,323,630,737.67/139,591.89
  6. Step 6: Final answer
    x = 59,628.33

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