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Finding the Fourth Proportional to 115,707.40, 173,625.90 and 49,136.20

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Solution

The fourth proportional to 115,707.40, 173,625.90 and 49,136.20 is: 73,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,707.40 : 173,625.90 = 49,136.20 : x
  2. Step 2: Convert to fraction form
    115,707.40/173,625.90 = 49,136.20/x
  3. Step 3: Cross multiply
    115,707.40x = 173,625.90 × 49,136.20
  4. Step 4: Simplify right side
    115,707.40x = 8,531,316,947.58
  5. Step 5: Solve for x
    x = 8,531,316,947.58/115,707.40
  6. Step 6: Final answer
    x = 73,731.82

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