Home / 217,249.34-299,799.56-119,131.20

Finding the Fourth Proportional to 217,249.34, 299,799.56 and 119,131.20

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Solution

The fourth proportional to 217,249.34, 299,799.56 and 119,131.20 is: 164,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,249.34 : 299,799.56 = 119,131.20 : x
  2. Step 2: Convert to fraction form
    217,249.34/299,799.56 = 119,131.20/x
  3. Step 3: Cross multiply
    217,249.34x = 299,799.56 × 119,131.20
  4. Step 4: Simplify right side
    217,249.34x = 35,715,481,640.10
  5. Step 5: Solve for x
    x = 35,715,481,640.10/217,249.34
  6. Step 6: Final answer
    x = 164,398.58

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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.