Home / 250,491.43-345,679.46-135,770.23

Finding the Fourth Proportional to 250,491.43, 345,679.46 and 135,770.23

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Solution

The fourth proportional to 250,491.43, 345,679.46 and 135,770.23 is: 187,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,491.43 : 345,679.46 = 135,770.23 : x
  2. Step 2: Convert to fraction form
    250,491.43/345,679.46 = 135,770.23/x
  3. Step 3: Cross multiply
    250,491.43x = 345,679.46 × 135,770.23
  4. Step 4: Simplify right side
    250,491.43x = 46,932,979,111.62
  5. Step 5: Solve for x
    x = 46,932,979,111.62/250,491.43
  6. Step 6: Final answer
    x = 187,363.61

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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.