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Finding the Fourth Proportional to 137,796, 206,723.22 and 44,309.04

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Solution

The fourth proportional to 137,796, 206,723.22 and 44,309.04 is: 66,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,796 : 206,723.22 = 44,309.04 : x
  2. Step 2: Convert to fraction form
    137,796/206,723.22 = 44,309.04/x
  3. Step 3: Cross multiply
    137,796x = 206,723.22 × 44,309.04
  4. Step 4: Simplify right side
    137,796x = 9,159,707,423.91
  5. Step 5: Solve for x
    x = 9,159,707,423.91/137,796
  6. Step 6: Final answer
    x = 66,472.96

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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.