Home / 100,927.09-151,414.26-30,806.38

Finding the Fourth Proportional to 100,927.09, 151,414.26 and 30,806.38

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Solution

The fourth proportional to 100,927.09, 151,414.26 and 30,806.38 is: 46,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,927.09 : 151,414.26 = 30,806.38 : x
  2. Step 2: Convert to fraction form
    100,927.09/151,414.26 = 30,806.38/x
  3. Step 3: Cross multiply
    100,927.09x = 151,414.26 × 30,806.38
  4. Step 4: Simplify right side
    100,927.09x = 4,664,525,230.98
  5. Step 5: Solve for x
    x = 4,664,525,230.98/100,927.09
  6. Step 6: Final answer
    x = 46,216.78

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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.