Home / 255,435.22-352,511.54-142,257.97

Finding the Fourth Proportional to 255,435.22, 352,511.54 and 142,257.97

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Solution

The fourth proportional to 255,435.22, 352,511.54 and 142,257.97 is: 196,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,435.22 : 352,511.54 = 142,257.97 : x
  2. Step 2: Convert to fraction form
    255,435.22/352,511.54 = 142,257.97/x
  3. Step 3: Cross multiply
    255,435.22x = 352,511.54 × 142,257.97
  4. Step 4: Simplify right side
    255,435.22x = 50,147,576,081.97
  5. Step 5: Solve for x
    x = 50,147,576,081.97/255,435.22
  6. Step 6: Final answer
    x = 196,322.09

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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.