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Finding the Fourth Proportional to 115,519.60, 173,149.80 and 48,948.40

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Solution

The fourth proportional to 115,519.60, 173,149.80 and 48,948.40 is: 73,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,519.60 : 173,149.80 = 48,948.40 : x
  2. Step 2: Convert to fraction form
    115,519.60/173,149.80 = 48,948.40/x
  3. Step 3: Cross multiply
    115,519.60x = 173,149.80 × 48,948.40
  4. Step 4: Simplify right side
    115,519.60x = 8,475,405,670.32
  5. Step 5: Solve for x
    x = 8,475,405,670.32/115,519.60
  6. Step 6: Final answer
    x = 73,367.69

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