Home / 209,806.46-314,707.26-125,590.16

Finding the Fourth Proportional to 209,806.46, 314,707.26 and 125,590.16

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Solution

The fourth proportional to 209,806.46, 314,707.26 and 125,590.16 is: 188,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,806.46 : 314,707.26 = 125,590.16 : x
  2. Step 2: Convert to fraction form
    209,806.46/314,707.26 = 125,590.16/x
  3. Step 3: Cross multiply
    209,806.46x = 314,707.26 × 125,590.16
  4. Step 4: Simplify right side
    209,806.46x = 39,524,135,136.56
  5. Step 5: Solve for x
    x = 39,524,135,136.56/209,806.46
  6. Step 6: Final answer
    x = 188,383.79

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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.