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Finding the Fourth Proportional to 118,530.80, 177,821.80 and 35,433.20

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Solution

The fourth proportional to 118,530.80, 177,821.80 and 35,433.20 is: 53,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,530.80 : 177,821.80 = 35,433.20 : x
  2. Step 2: Convert to fraction form
    118,530.80/177,821.80 = 35,433.20/x
  3. Step 3: Cross multiply
    118,530.80x = 177,821.80 × 35,433.20
  4. Step 4: Simplify right side
    118,530.80x = 6,300,795,403.76
  5. Step 5: Solve for x
    x = 6,300,795,403.76/118,530.80
  6. Step 6: Final answer
    x = 53,157.45

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