Home / 221,291.20-331,985.58-131,415.63

Finding the Fourth Proportional to 221,291.20, 331,985.58 and 131,415.63

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Solution

The fourth proportional to 221,291.20, 331,985.58 and 131,415.63 is: 197,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,291.20 : 331,985.58 = 131,415.63 : x
  2. Step 2: Convert to fraction form
    221,291.20/331,985.58 = 131,415.63/x
  3. Step 3: Cross multiply
    221,291.20x = 331,985.58 × 131,415.63
  4. Step 4: Simplify right side
    221,291.20x = 43,628,094,146.62
  5. Step 5: Solve for x
    x = 43,628,094,146.62/221,291.20
  6. Step 6: Final answer
    x = 197,152.41

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