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Finding the Fourth Proportional to 127,726.40, 191,589.60 and 112,174.40

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Solution

The fourth proportional to 127,726.40, 191,589.60 and 112,174.40 is: 168,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,726.40 : 191,589.60 = 112,174.40 : x
  2. Step 2: Convert to fraction form
    127,726.40/191,589.60 = 112,174.40/x
  3. Step 3: Cross multiply
    127,726.40x = 191,589.60 × 112,174.40
  4. Step 4: Simplify right side
    127,726.40x = 21,491,448,426.24
  5. Step 5: Solve for x
    x = 21,491,448,426.24/127,726.40
  6. Step 6: Final answer
    x = 168,261.60

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