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Finding the Fourth Proportional to 121,846.48, 168,136.68 and 68,124.04

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Solution

The fourth proportional to 121,846.48, 168,136.68 and 68,124.04 is: 94,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,846.48 : 168,136.68 = 68,124.04 : x
  2. Step 2: Convert to fraction form
    121,846.48/168,136.68 = 68,124.04/x
  3. Step 3: Cross multiply
    121,846.48x = 168,136.68 × 68,124.04
  4. Step 4: Simplify right side
    121,846.48x = 11,454,149,913.79
  5. Step 5: Solve for x
    x = 11,454,149,913.79/121,846.48
  6. Step 6: Final answer
    x = 94,004.77

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