Home / 203,961.04-281,506.49-130,326.37

Finding the Fourth Proportional to 203,961.04, 281,506.49 and 130,326.37

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Solution

The fourth proportional to 203,961.04, 281,506.49 and 130,326.37 is: 179,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,961.04 : 281,506.49 = 130,326.37 : x
  2. Step 2: Convert to fraction form
    203,961.04/281,506.49 = 130,326.37/x
  3. Step 3: Cross multiply
    203,961.04x = 281,506.49 × 130,326.37
  4. Step 4: Simplify right side
    203,961.04x = 36,687,718,106.47
  5. Step 5: Solve for x
    x = 36,687,718,106.47/203,961.04
  6. Step 6: Final answer
    x = 179,876.11

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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.