Home / 137,359.67-206,356.25-131,684.63

Finding the Fourth Proportional to 137,359.67, 206,356.25 and 131,684.63

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Solution

The fourth proportional to 137,359.67, 206,356.25 and 131,684.63 is: 197,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,359.67 : 206,356.25 = 131,684.63 : x
  2. Step 2: Convert to fraction form
    137,359.67/206,356.25 = 131,684.63/x
  3. Step 3: Cross multiply
    137,359.67x = 206,356.25 × 131,684.63
  4. Step 4: Simplify right side
    137,359.67x = 27,173,946,887.62
  5. Step 5: Solve for x
    x = 27,173,946,887.62/137,359.67
  6. Step 6: Final answer
    x = 197,830.61

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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.