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Finding the Fourth Proportional to 115,915.60, 173,743.80 and 49,344.40

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Solution

The fourth proportional to 115,915.60, 173,743.80 and 49,344.40 is: 73,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,915.60 : 173,743.80 = 49,344.40 : x
  2. Step 2: Convert to fraction form
    115,915.60/173,743.80 = 49,344.40/x
  3. Step 3: Cross multiply
    115,915.60x = 173,743.80 × 49,344.40
  4. Step 4: Simplify right side
    115,915.60x = 8,573,283,564.72
  5. Step 5: Solve for x
    x = 8,573,283,564.72/115,915.60
  6. Step 6: Final answer
    x = 73,961.43

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