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Finding the Fourth Proportional to 117,039.80, 175,559.70 and 42,195.80

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Solution

The fourth proportional to 117,039.80, 175,559.70 and 42,195.80 is: 63,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,039.80 : 175,559.70 = 42,195.80 : x
  2. Step 2: Convert to fraction form
    117,039.80/175,559.70 = 42,195.80/x
  3. Step 3: Cross multiply
    117,039.80x = 175,559.70 × 42,195.80
  4. Step 4: Simplify right side
    117,039.80x = 7,407,881,989.26
  5. Step 5: Solve for x
    x = 7,407,881,989.26/117,039.80
  6. Step 6: Final answer
    x = 63,293.70

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