Home / 201,311.82-277,837.26-129,899.46

Finding the Fourth Proportional to 201,311.82, 277,837.26 and 129,899.46

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Solution

The fourth proportional to 201,311.82, 277,837.26 and 129,899.46 is: 179,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,311.82 : 277,837.26 = 129,899.46 : x
  2. Step 2: Convert to fraction form
    201,311.82/277,837.26 = 129,899.46/x
  3. Step 3: Cross multiply
    201,311.82x = 277,837.26 × 129,899.46
  4. Step 4: Simplify right side
    201,311.82x = 36,090,910,041.88
  5. Step 5: Solve for x
    x = 36,090,910,041.88/201,311.82
  6. Step 6: Final answer
    x = 179,278.64

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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.