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Finding the Fourth Proportional to 175,656.90, 263,259.72 and 91,405.38

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Solution

The fourth proportional to 175,656.90, 263,259.72 and 91,405.38 is: 136,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,656.90 : 263,259.72 = 91,405.38 : x
  2. Step 2: Convert to fraction form
    175,656.90/263,259.72 = 91,405.38/x
  3. Step 3: Cross multiply
    175,656.90x = 263,259.72 × 91,405.38
  4. Step 4: Simplify right side
    175,656.90x = 24,063,354,745.29
  5. Step 5: Solve for x
    x = 24,063,354,745.29/175,656.90
  6. Step 6: Final answer
    x = 136,990.66

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