Home / 137,948.22-206,926.23-38,108.43

Finding the Fourth Proportional to 137,948.22, 206,926.23 and 38,108.43

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Solution

The fourth proportional to 137,948.22, 206,926.23 and 38,108.43 is: 57,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,948.22 : 206,926.23 = 38,108.43 : x
  2. Step 2: Convert to fraction form
    137,948.22/206,926.23 = 38,108.43/x
  3. Step 3: Cross multiply
    137,948.22x = 206,926.23 × 38,108.43
  4. Step 4: Simplify right side
    137,948.22x = 7,885,633,751.12
  5. Step 5: Solve for x
    x = 7,885,633,751.12/137,948.22
  6. Step 6: Final answer
    x = 57,163.72

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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.