Home / 137,826.78-206,747.23-37,984.76

Finding the Fourth Proportional to 137,826.78, 206,747.23 and 37,984.76

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Solution

The fourth proportional to 137,826.78, 206,747.23 and 37,984.76 is: 56,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,826.78 : 206,747.23 = 37,984.76 : x
  2. Step 2: Convert to fraction form
    137,826.78/206,747.23 = 37,984.76/x
  3. Step 3: Cross multiply
    137,826.78x = 206,747.23 × 37,984.76
  4. Step 4: Simplify right side
    137,826.78x = 7,853,243,912.21
  5. Step 5: Solve for x
    x = 7,853,243,912.21/137,826.78
  6. Step 6: Final answer
    x = 56,979.09

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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.