Home / 81,116-111,939.80-45,306.02

Finding the Fourth Proportional to 81,116, 111,939.80 and 45,306.02

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Solution

The fourth proportional to 81,116, 111,939.80 and 45,306.02 is: 62,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,116 : 111,939.80 = 45,306.02 : x
  2. Step 2: Convert to fraction form
    81,116/111,939.80 = 45,306.02/x
  3. Step 3: Cross multiply
    81,116x = 111,939.80 × 45,306.02
  4. Step 4: Simplify right side
    81,116x = 5,071,546,817.60
  5. Step 5: Solve for x
    x = 5,071,546,817.60/81,116
  6. Step 6: Final answer
    x = 62,522.15

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