Home / 137,939.72-206,913.67-38,107.26

Finding the Fourth Proportional to 137,939.72, 206,913.67 and 38,107.26

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Solution

The fourth proportional to 137,939.72, 206,913.67 and 38,107.26 is: 57,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,939.72 : 206,913.67 = 38,107.26 : x
  2. Step 2: Convert to fraction form
    137,939.72/206,913.67 = 38,107.26/x
  3. Step 3: Cross multiply
    137,939.72x = 206,913.67 × 38,107.26
  4. Step 4: Simplify right side
    137,939.72x = 7,884,912,924.98
  5. Step 5: Solve for x
    x = 7,884,912,924.98/137,939.72
  6. Step 6: Final answer
    x = 57,162.02

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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.