Home / 255,540.41-352,653.05-142,370.45

Finding the Fourth Proportional to 255,540.41, 352,653.05 and 142,370.45

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Solution

The fourth proportional to 255,540.41, 352,653.05 and 142,370.45 is: 196,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,540.41 : 352,653.05 = 142,370.45 : x
  2. Step 2: Convert to fraction form
    255,540.41/352,653.05 = 142,370.45/x
  3. Step 3: Cross multiply
    255,540.41x = 352,653.05 × 142,370.45
  4. Step 4: Simplify right side
    255,540.41x = 50,207,373,422.37
  5. Step 5: Solve for x
    x = 50,207,373,422.37/255,540.41
  6. Step 6: Final answer
    x = 196,475.28

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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.