Home / 203,908.68-281,386.06-113,270.39

Finding the Fourth Proportional to 203,908.68, 281,386.06 and 113,270.39

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Solution

The fourth proportional to 203,908.68, 281,386.06 and 113,270.39 is: 156,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,908.68 : 281,386.06 = 113,270.39 : x
  2. Step 2: Convert to fraction form
    203,908.68/281,386.06 = 113,270.39/x
  3. Step 3: Cross multiply
    203,908.68x = 281,386.06 × 113,270.39
  4. Step 4: Simplify right side
    203,908.68x = 31,872,708,756.76
  5. Step 5: Solve for x
    x = 31,872,708,756.76/203,908.68
  6. Step 6: Final answer
    x = 156,308.74

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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.