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Finding the Fourth Proportional to 111,333.25, 153,649.61 and 61,041.97

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Solution

The fourth proportional to 111,333.25, 153,649.61 and 61,041.97 is: 84,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,333.25 : 153,649.61 = 61,041.97 : x
  2. Step 2: Convert to fraction form
    111,333.25/153,649.61 = 61,041.97/x
  3. Step 3: Cross multiply
    111,333.25x = 153,649.61 × 61,041.97
  4. Step 4: Simplify right side
    111,333.25x = 9,379,074,578.92
  5. Step 5: Solve for x
    x = 9,379,074,578.92/111,333.25
  6. Step 6: Final answer
    x = 84,243.25

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