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Finding the Fourth Proportional to 202,357.80, 279,246.40 and 111,711.80

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Solution

The fourth proportional to 202,357.80, 279,246.40 and 111,711.80 is: 154,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,357.80 : 279,246.40 = 111,711.80 : x
  2. Step 2: Convert to fraction form
    202,357.80/279,246.40 = 111,711.80/x
  3. Step 3: Cross multiply
    202,357.80x = 279,246.40 × 111,711.80
  4. Step 4: Simplify right side
    202,357.80x = 31,195,117,987.52
  5. Step 5: Solve for x
    x = 31,195,117,987.52/202,357.80
  6. Step 6: Final answer
    x = 154,158.22

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