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Finding the Fourth Proportional to 101,158.91, 139,599.30 and 55,836.90

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Solution

The fourth proportional to 101,158.91, 139,599.30 and 55,836.90 is: 77,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,158.91 : 139,599.30 = 55,836.90 : x
  2. Step 2: Convert to fraction form
    101,158.91/139,599.30 = 55,836.90/x
  3. Step 3: Cross multiply
    101,158.91x = 139,599.30 × 55,836.90
  4. Step 4: Simplify right side
    101,158.91x = 7,794,792,154.17
  5. Step 5: Solve for x
    x = 7,794,792,154.17/101,158.91
  6. Step 6: Final answer
    x = 77,054.93

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