Home / 250,631.87-345,890.27-143,199.61

Finding the Fourth Proportional to 250,631.87, 345,890.27 and 143,199.61

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Solution

The fourth proportional to 250,631.87, 345,890.27 and 143,199.61 is: 197,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,631.87 : 345,890.27 = 143,199.61 : x
  2. Step 2: Convert to fraction form
    250,631.87/345,890.27 = 143,199.61/x
  3. Step 3: Cross multiply
    250,631.87x = 345,890.27 × 143,199.61
  4. Step 4: Simplify right side
    250,631.87x = 49,531,351,260.07
  5. Step 5: Solve for x
    x = 49,531,351,260.07/250,631.87
  6. Step 6: Final answer
    x = 197,625.91

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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.