Home / 209,370.67-313,937.03-142,891.33

Finding the Fourth Proportional to 209,370.67, 313,937.03 and 142,891.33

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Solution

The fourth proportional to 209,370.67, 313,937.03 and 142,891.33 is: 214,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,370.67 : 313,937.03 = 142,891.33 : x
  2. Step 2: Convert to fraction form
    209,370.67/313,937.03 = 142,891.33/x
  3. Step 3: Cross multiply
    209,370.67x = 313,937.03 × 142,891.33
  4. Step 4: Simplify right side
    209,370.67x = 44,858,879,038.49
  5. Step 5: Solve for x
    x = 44,858,879,038.49/209,370.67
  6. Step 6: Final answer
    x = 214,255.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.