Home / 179,439.20-268,867.20-154,361.60

Finding the Fourth Proportional to 179,439.20, 268,867.20 and 154,361.60

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Solution

The fourth proportional to 179,439.20, 268,867.20 and 154,361.60 is: 231,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,439.20 : 268,867.20 = 154,361.60 : x
  2. Step 2: Convert to fraction form
    179,439.20/268,867.20 = 154,361.60/x
  3. Step 3: Cross multiply
    179,439.20x = 268,867.20 × 154,361.60
  4. Step 4: Simplify right side
    179,439.20x = 41,502,771,179.52
  5. Step 5: Solve for x
    x = 41,502,771,179.52/179,439.20
  6. Step 6: Final answer
    x = 231,291.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.