Home / 200,779.07-277,028.66-120,175.97

Finding the Fourth Proportional to 200,779.07, 277,028.66 and 120,175.97

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Solution

The fourth proportional to 200,779.07, 277,028.66 and 120,175.97 is: 165,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,779.07 : 277,028.66 = 120,175.97 : x
  2. Step 2: Convert to fraction form
    200,779.07/277,028.66 = 120,175.97/x
  3. Step 3: Cross multiply
    200,779.07x = 277,028.66 × 120,175.97
  4. Step 4: Simplify right side
    200,779.07x = 33,292,187,332.42
  5. Step 5: Solve for x
    x = 33,292,187,332.42/200,779.07
  6. Step 6: Final answer
    x = 165,815.03

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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.