Home / 209,231.72-288,733.70-113,735.96

Finding the Fourth Proportional to 209,231.72, 288,733.70 and 113,735.96

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Solution

The fourth proportional to 209,231.72, 288,733.70 and 113,735.96 is: 156,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,231.72 : 288,733.70 = 113,735.96 : x
  2. Step 2: Convert to fraction form
    209,231.72/288,733.70 = 113,735.96/x
  3. Step 3: Cross multiply
    209,231.72x = 288,733.70 × 113,735.96
  4. Step 4: Simplify right side
    209,231.72x = 32,839,404,553.85
  5. Step 5: Solve for x
    x = 32,839,404,553.85/209,231.72
  6. Step 6: Final answer
    x = 156,952.32

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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.