Home / 194,640.60-268,619.58-109,765.56

Finding the Fourth Proportional to 194,640.60, 268,619.58 and 109,765.56

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Solution

The fourth proportional to 194,640.60, 268,619.58 and 109,765.56 is: 151,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,640.60 : 268,619.58 = 109,765.56 : x
  2. Step 2: Convert to fraction form
    194,640.60/268,619.58 = 109,765.56/x
  3. Step 3: Cross multiply
    194,640.60x = 268,619.58 × 109,765.56
  4. Step 4: Simplify right side
    194,640.60x = 29,485,178,625.66
  5. Step 5: Solve for x
    x = 29,485,178,625.66/194,640.60
  6. Step 6: Final answer
    x = 151,485.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.