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Finding the Fourth Proportional to 124,537.62, 171,887.48 and 76,147.81

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Solution

The fourth proportional to 124,537.62, 171,887.48 and 76,147.81 is: 105,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,537.62 : 171,887.48 = 76,147.81 : x
  2. Step 2: Convert to fraction form
    124,537.62/171,887.48 = 76,147.81/x
  3. Step 3: Cross multiply
    124,537.62x = 171,887.48 × 76,147.81
  4. Step 4: Simplify right side
    124,537.62x = 13,088,855,168.42
  5. Step 5: Solve for x
    x = 13,088,855,168.42/124,537.62
  6. Step 6: Final answer
    x = 105,099.61

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