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Finding the Fourth Proportional to 115,698.60, 173,564.10 and 49,138.20

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Solution

The fourth proportional to 115,698.60, 173,564.10 and 49,138.20 is: 73,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,698.60 : 173,564.10 = 49,138.20 : x
  2. Step 2: Convert to fraction form
    115,698.60/173,564.10 = 49,138.20/x
  3. Step 3: Cross multiply
    115,698.60x = 173,564.10 × 49,138.20
  4. Step 4: Simplify right side
    115,698.60x = 8,528,627,458.62
  5. Step 5: Solve for x
    x = 8,528,627,458.62/115,698.60
  6. Step 6: Final answer
    x = 73,714.18

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