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Finding the Fourth Proportional to 115,909.60, 173,799.60 and 49,338.40

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Solution

The fourth proportional to 115,909.60, 173,799.60 and 49,338.40 is: 73,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,909.60 : 173,799.60 = 49,338.40 : x
  2. Step 2: Convert to fraction form
    115,909.60/173,799.60 = 49,338.40/x
  3. Step 3: Cross multiply
    115,909.60x = 173,799.60 × 49,338.40
  4. Step 4: Simplify right side
    115,909.60x = 8,574,994,184.64
  5. Step 5: Solve for x
    x = 8,574,994,184.64/115,909.60
  6. Step 6: Final answer
    x = 73,980.02

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