Home / 132,968.17-199,452.26-80,266.33

Finding the Fourth Proportional to 132,968.17, 199,452.26 and 80,266.33

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Solution

The fourth proportional to 132,968.17, 199,452.26 and 80,266.33 is: 120,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,968.17 : 199,452.26 = 80,266.33 : x
  2. Step 2: Convert to fraction form
    132,968.17/199,452.26 = 80,266.33/x
  3. Step 3: Cross multiply
    132,968.17x = 199,452.26 × 80,266.33
  4. Step 4: Simplify right side
    132,968.17x = 16,009,300,920.41
  5. Step 5: Solve for x
    x = 16,009,300,920.41/132,968.17
  6. Step 6: Final answer
    x = 120,399.50

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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.