Home / 250,120.08-345,198.56-142,665.44

Finding the Fourth Proportional to 250,120.08, 345,198.56 and 142,665.44

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Solution

The fourth proportional to 250,120.08, 345,198.56 and 142,665.44 is: 196,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,120.08 : 345,198.56 = 142,665.44 : x
  2. Step 2: Convert to fraction form
    250,120.08/345,198.56 = 142,665.44/x
  3. Step 3: Cross multiply
    250,120.08x = 345,198.56 × 142,665.44
  4. Step 4: Simplify right side
    250,120.08x = 49,247,904,449.77
  5. Step 5: Solve for x
    x = 49,247,904,449.77/250,120.08
  6. Step 6: Final answer
    x = 196,897.04

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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.