Home / 162,198.45-223,834.19-90,578.25

Finding the Fourth Proportional to 162,198.45, 223,834.19 and 90,578.25

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Solution

The fourth proportional to 162,198.45, 223,834.19 and 90,578.25 is: 124,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,198.45 : 223,834.19 = 90,578.25 : x
  2. Step 2: Convert to fraction form
    162,198.45/223,834.19 = 90,578.25/x
  3. Step 3: Cross multiply
    162,198.45x = 223,834.19 × 90,578.25
  4. Step 4: Simplify right side
    162,198.45x = 20,274,508,767.48
  5. Step 5: Solve for x
    x = 20,274,508,767.48/162,198.45
  6. Step 6: Final answer
    x = 124,998.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.