Home / 209,466.81-289,067.67-113,974.02

Finding the Fourth Proportional to 209,466.81, 289,067.67 and 113,974.02

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Solution

The fourth proportional to 209,466.81, 289,067.67 and 113,974.02 is: 157,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,466.81 : 289,067.67 = 113,974.02 : x
  2. Step 2: Convert to fraction form
    209,466.81/289,067.67 = 113,974.02/x
  3. Step 3: Cross multiply
    209,466.81x = 289,067.67 × 113,974.02
  4. Step 4: Simplify right side
    209,466.81x = 32,946,204,401.93
  5. Step 5: Solve for x
    x = 32,946,204,401.93/209,466.81
  6. Step 6: Final answer
    x = 157,286.04

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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.