Home / 106,636.98-159,971.87-40,081.79

Finding the Fourth Proportional to 106,636.98, 159,971.87 and 40,081.79

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Solution

The fourth proportional to 106,636.98, 159,971.87 and 40,081.79 is: 60,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,636.98 : 159,971.87 = 40,081.79 : x
  2. Step 2: Convert to fraction form
    106,636.98/159,971.87 = 40,081.79/x
  3. Step 3: Cross multiply
    106,636.98x = 159,971.87 × 40,081.79
  4. Step 4: Simplify right side
    106,636.98x = 6,411,958,555.90
  5. Step 5: Solve for x
    x = 6,411,958,555.90/106,636.98
  6. Step 6: Final answer
    x = 60,128.85

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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.