Home / 136,017.69-203,999.97-129,266.44

Finding the Fourth Proportional to 136,017.69, 203,999.97 and 129,266.44

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Solution

The fourth proportional to 136,017.69, 203,999.97 and 129,266.44 is: 193,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,017.69 : 203,999.97 = 129,266.44 : x
  2. Step 2: Convert to fraction form
    136,017.69/203,999.97 = 129,266.44/x
  3. Step 3: Cross multiply
    136,017.69x = 203,999.97 × 129,266.44
  4. Step 4: Simplify right side
    136,017.69x = 26,370,348,215.67
  5. Step 5: Solve for x
    x = 26,370,348,215.67/136,017.69
  6. Step 6: Final answer
    x = 193,874.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.