Home / 209,072.93-288,521.82-113,579.85

Finding the Fourth Proportional to 209,072.93, 288,521.82 and 113,579.85

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Solution

The fourth proportional to 209,072.93, 288,521.82 and 113,579.85 is: 156,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,072.93 : 288,521.82 = 113,579.85 : x
  2. Step 2: Convert to fraction form
    209,072.93/288,521.82 = 113,579.85/x
  3. Step 3: Cross multiply
    209,072.93x = 288,521.82 × 113,579.85
  4. Step 4: Simplify right side
    209,072.93x = 32,770,265,037.33
  5. Step 5: Solve for x
    x = 32,770,265,037.33/209,072.93
  6. Step 6: Final answer
    x = 156,740.83

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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.