Home / 100,982.09-151,467.64-30,855.94

Finding the Fourth Proportional to 100,982.09, 151,467.64 and 30,855.94

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Solution

The fourth proportional to 100,982.09, 151,467.64 and 30,855.94 is: 46,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,982.09 : 151,467.64 = 30,855.94 : x
  2. Step 2: Convert to fraction form
    100,982.09/151,467.64 = 30,855.94/x
  3. Step 3: Cross multiply
    100,982.09x = 151,467.64 × 30,855.94
  4. Step 4: Simplify right side
    100,982.09x = 4,673,675,955.97
  5. Step 5: Solve for x
    x = 4,673,675,955.97/100,982.09
  6. Step 6: Final answer
    x = 46,282.23

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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.