Home / 193,171.08-289,701.12-66,778.26

Finding the Fourth Proportional to 193,171.08, 289,701.12 and 66,778.26

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Solution

The fourth proportional to 193,171.08, 289,701.12 and 66,778.26 is: 100,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,171.08 : 289,701.12 = 66,778.26 : x
  2. Step 2: Convert to fraction form
    193,171.08/289,701.12 = 66,778.26/x
  3. Step 3: Cross multiply
    193,171.08x = 289,701.12 × 66,778.26
  4. Step 4: Simplify right side
    193,171.08x = 19,345,736,713.65
  5. Step 5: Solve for x
    x = 19,345,736,713.65/193,171.08
  6. Step 6: Final answer
    x = 100,148.20

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