Home / 106,198.79-159,298.61-43,020.12

Finding the Fourth Proportional to 106,198.79, 159,298.61 and 43,020.12

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Solution

The fourth proportional to 106,198.79, 159,298.61 and 43,020.12 is: 64,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,198.79 : 159,298.61 = 43,020.12 : x
  2. Step 2: Convert to fraction form
    106,198.79/159,298.61 = 43,020.12/x
  3. Step 3: Cross multiply
    106,198.79x = 159,298.61 × 43,020.12
  4. Step 4: Simplify right side
    106,198.79x = 6,853,044,578.59
  5. Step 5: Solve for x
    x = 6,853,044,578.59/106,198.79
  6. Step 6: Final answer
    x = 64,530.35

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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.