Home / 142,697.44-196,920.48-82,268.20

Finding the Fourth Proportional to 142,697.44, 196,920.48 and 82,268.20

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Solution

The fourth proportional to 142,697.44, 196,920.48 and 82,268.20 is: 113,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,697.44 : 196,920.48 = 82,268.20 : x
  2. Step 2: Convert to fraction form
    142,697.44/196,920.48 = 82,268.20/x
  3. Step 3: Cross multiply
    142,697.44x = 196,920.48 × 82,268.20
  4. Step 4: Simplify right side
    142,697.44x = 16,200,293,432.74
  5. Step 5: Solve for x
    x = 16,200,293,432.74/142,697.44
  6. Step 6: Final answer
    x = 113,528.97

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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.