Home / 255,380.82-352,436.46-142,203.57

Finding the Fourth Proportional to 255,380.82, 352,436.46 and 142,203.57

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Solution

The fourth proportional to 255,380.82, 352,436.46 and 142,203.57 is: 196,247.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,380.82 : 352,436.46 = 142,203.57 : x
  2. Step 2: Convert to fraction form
    255,380.82/352,436.46 = 142,203.57/x
  3. Step 3: Cross multiply
    255,380.82x = 352,436.46 × 142,203.57
  4. Step 4: Simplify right side
    255,380.82x = 50,117,722,810.16
  5. Step 5: Solve for x
    x = 50,117,722,810.16/255,380.82
  6. Step 6: Final answer
    x = 196,247.01

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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.