Home / 203,881.26-281,357.91-118,981.74

Finding the Fourth Proportional to 203,881.26, 281,357.91 and 118,981.74

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Solution

The fourth proportional to 203,881.26, 281,357.91 and 118,981.74 is: 164,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,881.26 : 281,357.91 = 118,981.74 : x
  2. Step 2: Convert to fraction form
    203,881.26/281,357.91 = 118,981.74/x
  3. Step 3: Cross multiply
    203,881.26x = 281,357.91 × 118,981.74
  4. Step 4: Simplify right side
    203,881.26x = 33,476,453,694.56
  5. Step 5: Solve for x
    x = 33,476,453,694.56/203,881.26
  6. Step 6: Final answer
    x = 164,195.83

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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.