Home / 250,272.36-345,291.33-142,766.73

Finding the Fourth Proportional to 250,272.36, 345,291.33 and 142,766.73

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Solution

The fourth proportional to 250,272.36, 345,291.33 and 142,766.73 is: 196,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,272.36 : 345,291.33 = 142,766.73 : x
  2. Step 2: Convert to fraction form
    250,272.36/345,291.33 = 142,766.73/x
  3. Step 3: Cross multiply
    250,272.36x = 345,291.33 × 142,766.73
  4. Step 4: Simplify right side
    250,272.36x = 49,296,114,081.45
  5. Step 5: Solve for x
    x = 49,296,114,081.45/250,272.36
  6. Step 6: Final answer
    x = 196,969.87

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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.