Home / 137,377.46-206,006.78-47,429.66

Finding the Fourth Proportional to 137,377.46, 206,006.78 and 47,429.66

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Solution

The fourth proportional to 137,377.46, 206,006.78 and 47,429.66 is: 71,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,377.46 : 206,006.78 = 47,429.66 : x
  2. Step 2: Convert to fraction form
    137,377.46/206,006.78 = 47,429.66/x
  3. Step 3: Cross multiply
    137,377.46x = 206,006.78 × 47,429.66
  4. Step 4: Simplify right side
    137,377.46x = 9,770,830,621.64
  5. Step 5: Solve for x
    x = 9,770,830,621.64/137,377.46
  6. Step 6: Final answer
    x = 71,123.97

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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.