Home / 255,400.26-352,454.67-142,225.26

Finding the Fourth Proportional to 255,400.26, 352,454.67 and 142,225.26

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Solution

The fourth proportional to 255,400.26, 352,454.67 and 142,225.26 is: 196,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,400.26 : 352,454.67 = 142,225.26 : x
  2. Step 2: Convert to fraction form
    255,400.26/352,454.67 = 142,225.26/x
  3. Step 3: Cross multiply
    255,400.26x = 352,454.67 × 142,225.26
  4. Step 4: Simplify right side
    255,400.26x = 50,127,957,078.96
  5. Step 5: Solve for x
    x = 50,127,957,078.96/255,400.26
  6. Step 6: Final answer
    x = 196,272.15

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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.