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Finding the Fourth Proportional to 109,930.15, 164,403.15 and 92,215.45

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Solution

The fourth proportional to 109,930.15, 164,403.15 and 92,215.45 is: 137,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,930.15 : 164,403.15 = 92,215.45 : x
  2. Step 2: Convert to fraction form
    109,930.15/164,403.15 = 92,215.45/x
  3. Step 3: Cross multiply
    109,930.15x = 164,403.15 × 92,215.45
  4. Step 4: Simplify right side
    109,930.15x = 15,160,510,458.67
  5. Step 5: Solve for x
    x = 15,160,510,458.67/109,930.15
  6. Step 6: Final answer
    x = 137,910.40

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