Home / 189,696.33-261,902.97-121,742.60

Finding the Fourth Proportional to 189,696.33, 261,902.97 and 121,742.60

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Solution

The fourth proportional to 189,696.33, 261,902.97 and 121,742.60 is: 168,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,696.33 : 261,902.97 = 121,742.60 : x
  2. Step 2: Convert to fraction form
    189,696.33/261,902.97 = 121,742.60/x
  3. Step 3: Cross multiply
    189,696.33x = 261,902.97 × 121,742.60
  4. Step 4: Simplify right side
    189,696.33x = 31,884,747,206.01
  5. Step 5: Solve for x
    x = 31,884,747,206.01/189,696.33
  6. Step 6: Final answer
    x = 168,083.10

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