Home / 178,760.64-268,175.56-67,944

Finding the Fourth Proportional to 178,760.64, 268,175.56 and 67,944

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Solution

The fourth proportional to 178,760.64, 268,175.56 and 67,944 is: 101,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,760.64 : 268,175.56 = 67,944 : x
  2. Step 2: Convert to fraction form
    178,760.64/268,175.56 = 67,944/x
  3. Step 3: Cross multiply
    178,760.64x = 268,175.56 × 67,944
  4. Step 4: Simplify right side
    178,760.64x = 18,220,920,248.64
  5. Step 5: Solve for x
    x = 18,220,920,248.64/178,760.64
  6. Step 6: Final answer
    x = 101,929.15

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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.