Home / 250,285.43-345,391.14-135,561.22

Finding the Fourth Proportional to 250,285.43, 345,391.14 and 135,561.22

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Solution

The fourth proportional to 250,285.43, 345,391.14 and 135,561.22 is: 187,072.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,285.43 : 345,391.14 = 135,561.22 : x
  2. Step 2: Convert to fraction form
    250,285.43/345,391.14 = 135,561.22/x
  3. Step 3: Cross multiply
    250,285.43x = 345,391.14 × 135,561.22
  4. Step 4: Simplify right side
    250,285.43x = 46,821,644,315.59
  5. Step 5: Solve for x
    x = 46,821,644,315.59/250,285.43
  6. Step 6: Final answer
    x = 187,072.99

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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.