Home / 255,190.75-352,163.24-142,013.59

Finding the Fourth Proportional to 255,190.75, 352,163.24 and 142,013.59

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Solution

The fourth proportional to 255,190.75, 352,163.24 and 142,013.59 is: 195,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,190.75 : 352,163.24 = 142,013.59 : x
  2. Step 2: Convert to fraction form
    255,190.75/352,163.24 = 142,013.59/x
  3. Step 3: Cross multiply
    255,190.75x = 352,163.24 × 142,013.59
  4. Step 4: Simplify right side
    255,190.75x = 50,011,965,978.43
  5. Step 5: Solve for x
    x = 50,011,965,978.43/255,190.75
  6. Step 6: Final answer
    x = 195,978.76

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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.