Home / 250,021.49-345,028.33-135,300.06

Finding the Fourth Proportional to 250,021.49, 345,028.33 and 135,300.06

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Solution

The fourth proportional to 250,021.49, 345,028.33 and 135,300.06 is: 186,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,021.49 : 345,028.33 = 135,300.06 : x
  2. Step 2: Convert to fraction form
    250,021.49/345,028.33 = 135,300.06/x
  3. Step 3: Cross multiply
    250,021.49x = 345,028.33 × 135,300.06
  4. Step 4: Simplify right side
    250,021.49x = 46,682,355,570.44
  5. Step 5: Solve for x
    x = 46,682,355,570.44/250,021.49
  6. Step 6: Final answer
    x = 186,713.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.