Home / 126,806.42-190,292.67-47,920.65

Finding the Fourth Proportional to 126,806.42, 190,292.67 and 47,920.65

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Solution

The fourth proportional to 126,806.42, 190,292.67 and 47,920.65 is: 71,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,806.42 : 190,292.67 = 47,920.65 : x
  2. Step 2: Convert to fraction form
    126,806.42/190,292.67 = 47,920.65/x
  3. Step 3: Cross multiply
    126,806.42x = 190,292.67 × 47,920.65
  4. Step 4: Simplify right side
    126,806.42x = 9,118,948,436.64
  5. Step 5: Solve for x
    x = 9,118,948,436.64/126,806.42
  6. Step 6: Final answer
    x = 71,912.36

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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.