Home / 137,823.30-206,722.80-37,974.60

Finding the Fourth Proportional to 137,823.30, 206,722.80 and 37,974.60

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Solution

The fourth proportional to 137,823.30, 206,722.80 and 37,974.60 is: 56,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,823.30 : 206,722.80 = 37,974.60 : x
  2. Step 2: Convert to fraction form
    137,823.30/206,722.80 = 37,974.60/x
  3. Step 3: Cross multiply
    137,823.30x = 206,722.80 × 37,974.60
  4. Step 4: Simplify right side
    137,823.30x = 7,850,215,640.88
  5. Step 5: Solve for x
    x = 7,850,215,640.88/137,823.30
  6. Step 6: Final answer
    x = 56,958.55

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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.