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Finding the Fourth Proportional to 121,463.16, 167,619.42 and 67,746.80

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Solution

The fourth proportional to 121,463.16, 167,619.42 and 67,746.80 is: 93,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,463.16 : 167,619.42 = 67,746.80 : x
  2. Step 2: Convert to fraction form
    121,463.16/167,619.42 = 67,746.80/x
  3. Step 3: Cross multiply
    121,463.16x = 167,619.42 × 67,746.80
  4. Step 4: Simplify right side
    121,463.16x = 11,355,678,146.02
  5. Step 5: Solve for x
    x = 11,355,678,146.02/121,463.16
  6. Step 6: Final answer
    x = 93,490.72

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