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Finding the Fourth Proportional to 115,666.80, 173,500.20 and 92,047.20

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Solution

The fourth proportional to 115,666.80, 173,500.20 and 92,047.20 is: 138,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,666.80 : 173,500.20 = 92,047.20 : x
  2. Step 2: Convert to fraction form
    115,666.80/173,500.20 = 92,047.20/x
  3. Step 3: Cross multiply
    115,666.80x = 173,500.20 × 92,047.20
  4. Step 4: Simplify right side
    115,666.80x = 15,970,207,609.44
  5. Step 5: Solve for x
    x = 15,970,207,609.44/115,666.80
  6. Step 6: Final answer
    x = 138,070.80

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