Home / 137,450.23-206,109.93-53,249.71

Finding the Fourth Proportional to 137,450.23, 206,109.93 and 53,249.71

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Solution

The fourth proportional to 137,450.23, 206,109.93 and 53,249.71 is: 79,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,450.23 : 206,109.93 = 53,249.71 : x
  2. Step 2: Convert to fraction form
    137,450.23/206,109.93 = 53,249.71/x
  3. Step 3: Cross multiply
    137,450.23x = 206,109.93 × 53,249.71
  4. Step 4: Simplify right side
    137,450.23x = 10,975,294,000.62
  5. Step 5: Solve for x
    x = 10,975,294,000.62/137,450.23
  6. Step 6: Final answer
    x = 79,849.22

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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.