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Finding the Fourth Proportional to 180,393.28, 270,290.12 and 126,973.37

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Solution

The fourth proportional to 180,393.28, 270,290.12 and 126,973.37 is: 190,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,393.28 : 270,290.12 = 126,973.37 : x
  2. Step 2: Convert to fraction form
    180,393.28/270,290.12 = 126,973.37/x
  3. Step 3: Cross multiply
    180,393.28x = 270,290.12 × 126,973.37
  4. Step 4: Simplify right side
    180,393.28x = 34,319,647,454.96
  5. Step 5: Solve for x
    x = 34,319,647,454.96/180,393.28
  6. Step 6: Final answer
    x = 190,249.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.