Home / 161,067.03-222,383.70-100,664.82

Finding the Fourth Proportional to 161,067.03, 222,383.70 and 100,664.82

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Solution

The fourth proportional to 161,067.03, 222,383.70 and 100,664.82 is: 138,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,067.03 : 222,383.70 = 100,664.82 : x
  2. Step 2: Convert to fraction form
    161,067.03/222,383.70 = 100,664.82/x
  3. Step 3: Cross multiply
    161,067.03x = 222,383.70 × 100,664.82
  4. Step 4: Simplify right side
    161,067.03x = 22,386,215,131.43
  5. Step 5: Solve for x
    x = 22,386,215,131.43/161,067.03
  6. Step 6: Final answer
    x = 138,986.95

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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.