Home / 255,733.88-352,912.77-142,556.63

Finding the Fourth Proportional to 255,733.88, 352,912.77 and 142,556.63

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Solution

The fourth proportional to 255,733.88, 352,912.77 and 142,556.63 is: 196,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,733.88 : 352,912.77 = 142,556.63 : x
  2. Step 2: Convert to fraction form
    255,733.88/352,912.77 = 142,556.63/x
  3. Step 3: Cross multiply
    255,733.88x = 352,912.77 × 142,556.63
  4. Step 4: Simplify right side
    255,733.88x = 50,310,053,410.60
  5. Step 5: Solve for x
    x = 50,310,053,410.60/255,733.88
  6. Step 6: Final answer
    x = 196,728.16

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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.