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Finding the Fourth Proportional to 101,513.97, 152,285.54 and 31,398.75

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Solution

The fourth proportional to 101,513.97, 152,285.54 and 31,398.75 is: 47,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,513.97 : 152,285.54 = 31,398.75 : x
  2. Step 2: Convert to fraction form
    101,513.97/152,285.54 = 31,398.75/x
  3. Step 3: Cross multiply
    101,513.97x = 152,285.54 × 31,398.75
  4. Step 4: Simplify right side
    101,513.97x = 4,781,575,442.08
  5. Step 5: Solve for x
    x = 4,781,575,442.08/101,513.97
  6. Step 6: Final answer
    x = 47,102.63

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