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Finding the Fourth Proportional to 167,109.88, 250,763.28 and 78,364.12

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Solution

The fourth proportional to 167,109.88, 250,763.28 and 78,364.12 is: 117,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,109.88 : 250,763.28 = 78,364.12 : x
  2. Step 2: Convert to fraction form
    167,109.88/250,763.28 = 78,364.12/x
  3. Step 3: Cross multiply
    167,109.88x = 250,763.28 × 78,364.12
  4. Step 4: Simplify right side
    167,109.88x = 19,650,843,765.51
  5. Step 5: Solve for x
    x = 19,650,843,765.51/167,109.88
  6. Step 6: Final answer
    x = 117,592.35

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