Home / 250,144.46-345,252.96-159,479.54

Finding the Fourth Proportional to 250,144.46, 345,252.96 and 159,479.54

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Solution

The fourth proportional to 250,144.46, 345,252.96 and 159,479.54 is: 220,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,144.46 : 345,252.96 = 159,479.54 : x
  2. Step 2: Convert to fraction form
    250,144.46/345,252.96 = 159,479.54/x
  3. Step 3: Cross multiply
    250,144.46x = 345,252.96 × 159,479.54
  4. Step 4: Simplify right side
    250,144.46x = 55,060,781,518.17
  5. Step 5: Solve for x
    x = 55,060,781,518.17/250,144.46
  6. Step 6: Final answer
    x = 220,115.94

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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.