Home / 217,673.16-300,372.42-122,161.38

Finding the Fourth Proportional to 217,673.16, 300,372.42 and 122,161.38

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Solution

The fourth proportional to 217,673.16, 300,372.42 and 122,161.38 is: 168,573.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,673.16 : 300,372.42 = 122,161.38 : x
  2. Step 2: Convert to fraction form
    217,673.16/300,372.42 = 122,161.38/x
  3. Step 3: Cross multiply
    217,673.16x = 300,372.42 × 122,161.38
  4. Step 4: Simplify right side
    217,673.16x = 36,693,909,341.14
  5. Step 5: Solve for x
    x = 36,693,909,341.14/217,673.16
  6. Step 6: Final answer
    x = 168,573.42

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1.5x scale

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.