Home / 255,346.56-352,356.48-142,179.84

Finding the Fourth Proportional to 255,346.56, 352,356.48 and 142,179.84

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Solution

The fourth proportional to 255,346.56, 352,356.48 and 142,179.84 is: 196,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,346.56 : 352,356.48 = 142,179.84 : x
  2. Step 2: Convert to fraction form
    255,346.56/352,356.48 = 142,179.84/x
  3. Step 3: Cross multiply
    255,346.56x = 352,356.48 × 142,179.84
  4. Step 4: Simplify right side
    255,346.56x = 50,097,987,949.36
  5. Step 5: Solve for x
    x = 50,097,987,949.36/255,346.56
  6. Step 6: Final answer
    x = 196,196.06

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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.