Home / 189,243.09-261,143.52-108,613.86

Finding the Fourth Proportional to 189,243.09, 261,143.52 and 108,613.86

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Solution

The fourth proportional to 189,243.09, 261,143.52 and 108,613.86 is: 149,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,243.09 : 261,143.52 = 108,613.86 : x
  2. Step 2: Convert to fraction form
    189,243.09/261,143.52 = 108,613.86/x
  3. Step 3: Cross multiply
    189,243.09x = 261,143.52 × 108,613.86
  4. Step 4: Simplify right side
    189,243.09x = 28,363,805,721.19
  5. Step 5: Solve for x
    x = 28,363,805,721.19/189,243.09
  6. Step 6: Final answer
    x = 149,880.27

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