Home / 251,148.42-376,680.78-82,670.58

Finding the Fourth Proportional to 251,148.42, 376,680.78 and 82,670.58

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Solution

The fourth proportional to 251,148.42, 376,680.78 and 82,670.58 is: 123,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,148.42 : 376,680.78 = 82,670.58 : x
  2. Step 2: Convert to fraction form
    251,148.42/376,680.78 = 82,670.58/x
  3. Step 3: Cross multiply
    251,148.42x = 376,680.78 × 82,670.58
  4. Step 4: Simplify right side
    251,148.42x = 31,140,418,557.45
  5. Step 5: Solve for x
    x = 31,140,418,557.45/251,148.42
  6. Step 6: Final answer
    x = 123,992.09

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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.