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Finding the Fourth Proportional to 173,878.10, 260,829.30 and 68,683.40

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Solution

The fourth proportional to 173,878.10, 260,829.30 and 68,683.40 is: 103,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,878.10 : 260,829.30 = 68,683.40 : x
  2. Step 2: Convert to fraction form
    173,878.10/260,829.30 = 68,683.40/x
  3. Step 3: Cross multiply
    173,878.10x = 260,829.30 × 68,683.40
  4. Step 4: Simplify right side
    173,878.10x = 17,914,643,143.62
  5. Step 5: Solve for x
    x = 17,914,643,143.62/173,878.10
  6. Step 6: Final answer
    x = 103,029.90

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