Home / 123,581.48-170,542.62-66,992.85

Finding the Fourth Proportional to 123,581.48, 170,542.62 and 66,992.85

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Solution

The fourth proportional to 123,581.48, 170,542.62 and 66,992.85 is: 92,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,581.48 : 170,542.62 = 66,992.85 : x
  2. Step 2: Convert to fraction form
    123,581.48/170,542.62 = 66,992.85/x
  3. Step 3: Cross multiply
    123,581.48x = 170,542.62 × 66,992.85
  4. Step 4: Simplify right side
    123,581.48x = 11,425,136,160.27
  5. Step 5: Solve for x
    x = 11,425,136,160.27/123,581.48
  6. Step 6: Final answer
    x = 92,450.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.