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Finding the Fourth Proportional to 112,907.60, 169,361.69 and 38,080.31

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Solution

The fourth proportional to 112,907.60, 169,361.69 and 38,080.31 is: 57,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,907.60 : 169,361.69 = 38,080.31 : x
  2. Step 2: Convert to fraction form
    112,907.60/169,361.69 = 38,080.31/x
  3. Step 3: Cross multiply
    112,907.60x = 169,361.69 × 38,080.31
  4. Step 4: Simplify right side
    112,907.60x = 6,449,345,657.32
  5. Step 5: Solve for x
    x = 6,449,345,657.32/112,907.60
  6. Step 6: Final answer
    x = 57,120.56

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