Home / 106,181.82-159,131.21-39,554.87

Finding the Fourth Proportional to 106,181.82, 159,131.21 and 39,554.87

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Solution

The fourth proportional to 106,181.82, 159,131.21 and 39,554.87 is: 59,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,181.82 : 159,131.21 = 39,554.87 : x
  2. Step 2: Convert to fraction form
    106,181.82/159,131.21 = 39,554.87/x
  3. Step 3: Cross multiply
    106,181.82x = 159,131.21 × 39,554.87
  4. Step 4: Simplify right side
    106,181.82x = 6,294,413,331.06
  5. Step 5: Solve for x
    x = 6,294,413,331.06/106,181.82
  6. Step 6: Final answer
    x = 59,279.58

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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.