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Finding the Fourth Proportional to 93,138.32, 139,708.76 and 26,578.42

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Solution

The fourth proportional to 93,138.32, 139,708.76 and 26,578.42 is: 39,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,138.32 : 139,708.76 = 26,578.42 : x
  2. Step 2: Convert to fraction form
    93,138.32/139,708.76 = 26,578.42/x
  3. Step 3: Cross multiply
    93,138.32x = 139,708.76 × 26,578.42
  4. Step 4: Simplify right side
    93,138.32x = 3,713,237,618.80
  5. Step 5: Solve for x
    x = 3,713,237,618.80/93,138.32
  6. Step 6: Final answer
    x = 39,867.99

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