Home / 106,983.12-160,414.68-73,287.21

Finding the Fourth Proportional to 106,983.12, 160,414.68 and 73,287.21

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Solution

The fourth proportional to 106,983.12, 160,414.68 and 73,287.21 is: 109,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,983.12 : 160,414.68 = 73,287.21 : x
  2. Step 2: Convert to fraction form
    106,983.12/160,414.68 = 73,287.21/x
  3. Step 3: Cross multiply
    106,983.12x = 160,414.68 × 73,287.21
  4. Step 4: Simplify right side
    106,983.12x = 11,756,343,450.89
  5. Step 5: Solve for x
    x = 11,756,343,450.89/106,983.12
  6. Step 6: Final answer
    x = 109,889.71

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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.