Home / 137,377.08-206,006.22-47,429.28

Finding the Fourth Proportional to 137,377.08, 206,006.22 and 47,429.28

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Solution

The fourth proportional to 137,377.08, 206,006.22 and 47,429.28 is: 71,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,377.08 : 206,006.22 = 47,429.28 : x
  2. Step 2: Convert to fraction form
    137,377.08/206,006.22 = 47,429.28/x
  3. Step 3: Cross multiply
    137,377.08x = 206,006.22 × 47,429.28
  4. Step 4: Simplify right side
    137,377.08x = 9,770,726,690.12
  5. Step 5: Solve for x
    x = 9,770,726,690.12/137,377.08
  6. Step 6: Final answer
    x = 71,123.41

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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.