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Finding the Fourth Proportional to 167,970.36, 231,795.60 and 91,490.28

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Solution

The fourth proportional to 167,970.36, 231,795.60 and 91,490.28 is: 126,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,970.36 : 231,795.60 = 91,490.28 : x
  2. Step 2: Convert to fraction form
    167,970.36/231,795.60 = 91,490.28/x
  3. Step 3: Cross multiply
    167,970.36x = 231,795.60 × 91,490.28
  4. Step 4: Simplify right side
    167,970.36x = 21,207,044,346.77
  5. Step 5: Solve for x
    x = 21,207,044,346.77/167,970.36
  6. Step 6: Final answer
    x = 126,254.68

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