Home / 137,872.37-206,841.79-47,901.97

Finding the Fourth Proportional to 137,872.37, 206,841.79 and 47,901.97

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Solution

The fourth proportional to 137,872.37, 206,841.79 and 47,901.97 is: 71,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,872.37 : 206,841.79 = 47,901.97 : x
  2. Step 2: Convert to fraction form
    137,872.37/206,841.79 = 47,901.97/x
  3. Step 3: Cross multiply
    137,872.37x = 206,841.79 × 47,901.97
  4. Step 4: Simplify right side
    137,872.37x = 9,908,129,219.33
  5. Step 5: Solve for x
    x = 9,908,129,219.33/137,872.37
  6. Step 6: Final answer
    x = 71,864.50

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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.