Home / 250,591.85-345,816.55-135,874.29

Finding the Fourth Proportional to 250,591.85, 345,816.55 and 135,874.29

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Solution

The fourth proportional to 250,591.85, 345,816.55 and 135,874.29 is: 187,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,591.85 : 345,816.55 = 135,874.29 : x
  2. Step 2: Convert to fraction form
    250,591.85/345,816.55 = 135,874.29/x
  3. Step 3: Cross multiply
    250,591.85x = 345,816.55 × 135,874.29
  4. Step 4: Simplify right side
    250,591.85x = 46,987,579,668.15
  5. Step 5: Solve for x
    x = 46,987,579,668.15/250,591.85
  6. Step 6: Final answer
    x = 187,506.42

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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.