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Finding the Fourth Proportional to 107,640.75, 161,502.15 and 48,462.81

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Solution

The fourth proportional to 107,640.75, 161,502.15 and 48,462.81 is: 72,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,640.75 : 161,502.15 = 48,462.81 : x
  2. Step 2: Convert to fraction form
    107,640.75/161,502.15 = 48,462.81/x
  3. Step 3: Cross multiply
    107,640.75x = 161,502.15 × 48,462.81
  4. Step 4: Simplify right side
    107,640.75x = 7,826,848,010.04
  5. Step 5: Solve for x
    x = 7,826,848,010.04/107,640.75
  6. Step 6: Final answer
    x = 72,712.69

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