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Finding the Fourth Proportional to 115,112.54, 172,692.30 and 48,552.54

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Solution

The fourth proportional to 115,112.54, 172,692.30 and 48,552.54 is: 72,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,112.54 : 172,692.30 = 48,552.54 : x
  2. Step 2: Convert to fraction form
    115,112.54/172,692.30 = 48,552.54/x
  3. Step 3: Cross multiply
    115,112.54x = 172,692.30 × 48,552.54
  4. Step 4: Simplify right side
    115,112.54x = 8,384,649,803.44
  5. Step 5: Solve for x
    x = 8,384,649,803.44/115,112.54
  6. Step 6: Final answer
    x = 72,838.72

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