Home / 250,231.96-345,344.95-142,818.22

Finding the Fourth Proportional to 250,231.96, 345,344.95 and 142,818.22

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Solution

The fourth proportional to 250,231.96, 345,344.95 and 142,818.22 is: 197,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,231.96 : 345,344.95 = 142,818.22 : x
  2. Step 2: Convert to fraction form
    250,231.96/345,344.95 = 142,818.22/x
  3. Step 3: Cross multiply
    250,231.96x = 345,344.95 × 142,818.22
  4. Step 4: Simplify right side
    250,231.96x = 49,321,548,604.17
  5. Step 5: Solve for x
    x = 49,321,548,604.17/250,231.96
  6. Step 6: Final answer
    x = 197,103.31

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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.