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Finding the Fourth Proportional to 101,418.64, 139,955.08 and 56,095.50

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Solution

The fourth proportional to 101,418.64, 139,955.08 and 56,095.50 is: 77,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,418.64 : 139,955.08 = 56,095.50 : x
  2. Step 2: Convert to fraction form
    101,418.64/139,955.08 = 56,095.50/x
  3. Step 3: Cross multiply
    101,418.64x = 139,955.08 × 56,095.50
  4. Step 4: Simplify right side
    101,418.64x = 7,850,850,190.14
  5. Step 5: Solve for x
    x = 7,850,850,190.14/101,418.64
  6. Step 6: Final answer
    x = 77,410.33

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