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Finding the Fourth Proportional to 173,917.80, 260,963.10 and 68,740.20

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Solution

The fourth proportional to 173,917.80, 260,963.10 and 68,740.20 is: 103,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,917.80 : 260,963.10 = 68,740.20 : x
  2. Step 2: Convert to fraction form
    173,917.80/260,963.10 = 68,740.20/x
  3. Step 3: Cross multiply
    173,917.80x = 260,963.10 × 68,740.20
  4. Step 4: Simplify right side
    173,917.80x = 17,938,655,686.62
  5. Step 5: Solve for x
    x = 17,938,655,686.62/173,917.80
  6. Step 6: Final answer
    x = 103,144.45

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