Home / 201,138.26-277,561.82-120,610.22

Finding the Fourth Proportional to 201,138.26, 277,561.82 and 120,610.22

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Solution

The fourth proportional to 201,138.26, 277,561.82 and 120,610.22 is: 166,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,138.26 : 277,561.82 = 120,610.22 : x
  2. Step 2: Convert to fraction form
    201,138.26/277,561.82 = 120,610.22/x
  3. Step 3: Cross multiply
    201,138.26x = 277,561.82 × 120,610.22
  4. Step 4: Simplify right side
    201,138.26x = 33,476,792,173.80
  5. Step 5: Solve for x
    x = 33,476,792,173.80/201,138.26
  6. Step 6: Final answer
    x = 166,436.72

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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.