Home / 106,215.49-159,321.75-43,035.09

Finding the Fourth Proportional to 106,215.49, 159,321.75 and 43,035.09

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Solution

The fourth proportional to 106,215.49, 159,321.75 and 43,035.09 is: 64,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,215.49 : 159,321.75 = 43,035.09 : x
  2. Step 2: Convert to fraction form
    106,215.49/159,321.75 = 43,035.09/x
  3. Step 3: Cross multiply
    106,215.49x = 159,321.75 × 43,035.09
  4. Step 4: Simplify right side
    106,215.49x = 6,856,425,850.21
  5. Step 5: Solve for x
    x = 6,856,425,850.21/106,215.49
  6. Step 6: Final answer
    x = 64,552.03

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1.5x scale

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.