Home / 142,799.20-214,198.80-109,621.60

Finding the Fourth Proportional to 142,799.20, 214,198.80 and 109,621.60

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Solution

The fourth proportional to 142,799.20, 214,198.80 and 109,621.60 is: 164,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,799.20 : 214,198.80 = 109,621.60 : x
  2. Step 2: Convert to fraction form
    142,799.20/214,198.80 = 109,621.60/x
  3. Step 3: Cross multiply
    142,799.20x = 214,198.80 × 109,621.60
  4. Step 4: Simplify right side
    142,799.20x = 23,480,815,174.08
  5. Step 5: Solve for x
    x = 23,480,815,174.08/142,799.20
  6. Step 6: Final answer
    x = 164,432.40

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