Home / 203,819.35-281,278.79-117,775.48

Finding the Fourth Proportional to 203,819.35, 281,278.79 and 117,775.48

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Solution

The fourth proportional to 203,819.35, 281,278.79 and 117,775.48 is: 162,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,819.35 : 281,278.79 = 117,775.48 : x
  2. Step 2: Convert to fraction form
    203,819.35/281,278.79 = 117,775.48/x
  3. Step 3: Cross multiply
    203,819.35x = 281,278.79 × 117,775.48
  4. Step 4: Simplify right side
    203,819.35x = 33,127,742,510.80
  5. Step 5: Solve for x
    x = 33,127,742,510.80/203,819.35
  6. Step 6: Final answer
    x = 162,534.83

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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.