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Finding the Fourth Proportional to 107,872.79, 161,832.54 and 41,312.93

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Solution

The fourth proportional to 107,872.79, 161,832.54 and 41,312.93 is: 61,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,872.79 : 161,832.54 = 41,312.93 : x
  2. Step 2: Convert to fraction form
    107,872.79/161,832.54 = 41,312.93/x
  3. Step 3: Cross multiply
    107,872.79x = 161,832.54 × 41,312.93
  4. Step 4: Simplify right side
    107,872.79x = 6,685,776,396.74
  5. Step 5: Solve for x
    x = 6,685,776,396.74/107,872.79
  6. Step 6: Final answer
    x = 61,978.34

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