Home / 250,636.24-345,877.32-143,239.60

Finding the Fourth Proportional to 250,636.24, 345,877.32 and 143,239.60

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Solution

The fourth proportional to 250,636.24, 345,877.32 and 143,239.60 is: 197,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,636.24 : 345,877.32 = 143,239.60 : x
  2. Step 2: Convert to fraction form
    250,636.24/345,877.32 = 143,239.60/x
  3. Step 3: Cross multiply
    250,636.24x = 345,877.32 × 143,239.60
  4. Step 4: Simplify right side
    250,636.24x = 49,543,328,965.87
  5. Step 5: Solve for x
    x = 49,543,328,965.87/250,636.24
  6. Step 6: Final answer
    x = 197,670.25

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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.