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Finding the Fourth Proportional to 115,134.10, 172,724.43 and 48,574.37

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Solution

The fourth proportional to 115,134.10, 172,724.43 and 48,574.37 is: 72,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,134.10 : 172,724.43 = 48,574.37 : x
  2. Step 2: Convert to fraction form
    115,134.10/172,724.43 = 48,574.37/x
  3. Step 3: Cross multiply
    115,134.10x = 172,724.43 × 48,574.37
  4. Step 4: Simplify right side
    115,134.10x = 8,389,980,370.86
  5. Step 5: Solve for x
    x = 8,389,980,370.86/115,134.10
  6. Step 6: Final answer
    x = 72,871.38

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