Home / 137,794.41-206,499.15-74,478.06

Finding the Fourth Proportional to 137,794.41, 206,499.15 and 74,478.06

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Solution

The fourth proportional to 137,794.41, 206,499.15 and 74,478.06 is: 111,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,794.41 : 206,499.15 = 74,478.06 : x
  2. Step 2: Convert to fraction form
    137,794.41/206,499.15 = 74,478.06/x
  3. Step 3: Cross multiply
    137,794.41x = 206,499.15 × 74,478.06
  4. Step 4: Simplify right side
    137,794.41x = 15,379,656,083.65
  5. Step 5: Solve for x
    x = 15,379,656,083.65/137,794.41
  6. Step 6: Final answer
    x = 111,613.06

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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.