Home / 255,213.78-352,195.02-142,063.26

Finding the Fourth Proportional to 255,213.78, 352,195.02 and 142,063.26

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Solution

The fourth proportional to 255,213.78, 352,195.02 and 142,063.26 is: 196,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,213.78 : 352,195.02 = 142,063.26 : x
  2. Step 2: Convert to fraction form
    255,213.78/352,195.02 = 142,063.26/x
  3. Step 3: Cross multiply
    255,213.78x = 352,195.02 × 142,063.26
  4. Step 4: Simplify right side
    255,213.78x = 50,033,972,696.97
  5. Step 5: Solve for x
    x = 50,033,972,696.97/255,213.78
  6. Step 6: Final answer
    x = 196,047.30

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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.