Home / 178,919.56-268,362.06-54,261.64

Finding the Fourth Proportional to 178,919.56, 268,362.06 and 54,261.64

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Solution

The fourth proportional to 178,919.56, 268,362.06 and 54,261.64 is: 81,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,919.56 : 268,362.06 = 54,261.64 : x
  2. Step 2: Convert to fraction form
    178,919.56/268,362.06 = 54,261.64/x
  3. Step 3: Cross multiply
    178,919.56x = 268,362.06 × 54,261.64
  4. Step 4: Simplify right side
    178,919.56x = 14,561,765,489.38
  5. Step 5: Solve for x
    x = 14,561,765,489.38/178,919.56
  6. Step 6: Final answer
    x = 81,387.22

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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.