Home / 137,942.85-206,913.97-38,102.79

Finding the Fourth Proportional to 137,942.85, 206,913.97 and 38,102.79

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Solution

The fourth proportional to 137,942.85, 206,913.97 and 38,102.79 is: 57,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,942.85 : 206,913.97 = 38,102.79 : x
  2. Step 2: Convert to fraction form
    137,942.85/206,913.97 = 38,102.79/x
  3. Step 3: Cross multiply
    137,942.85x = 206,913.97 × 38,102.79
  4. Step 4: Simplify right side
    137,942.85x = 7,883,999,546.98
  5. Step 5: Solve for x
    x = 7,883,999,546.98/137,942.85
  6. Step 6: Final answer
    x = 57,154.10

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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.