Home / 255,733.75-352,912.60-142,556.50

Finding the Fourth Proportional to 255,733.75, 352,912.60 and 142,556.50

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Solution

The fourth proportional to 255,733.75, 352,912.60 and 142,556.50 is: 196,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,733.75 : 352,912.60 = 142,556.50 : x
  2. Step 2: Convert to fraction form
    255,733.75/352,912.60 = 142,556.50/x
  3. Step 3: Cross multiply
    255,733.75x = 352,912.60 × 142,556.50
  4. Step 4: Simplify right side
    255,733.75x = 50,309,985,061.90
  5. Step 5: Solve for x
    x = 50,309,985,061.90/255,733.75
  6. Step 6: Final answer
    x = 196,727.98

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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.