Home / 80,145.41-120,259.51-35,198.33

Finding the Fourth Proportional to 80,145.41, 120,259.51 and 35,198.33

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Solution

The fourth proportional to 80,145.41, 120,259.51 and 35,198.33 is: 52,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,145.41 : 120,259.51 = 35,198.33 : x
  2. Step 2: Convert to fraction form
    80,145.41/120,259.51 = 35,198.33/x
  3. Step 3: Cross multiply
    80,145.41x = 120,259.51 × 35,198.33
  4. Step 4: Simplify right side
    80,145.41x = 4,232,933,742.63
  5. Step 5: Solve for x
    x = 4,232,933,742.63/80,145.41
  6. Step 6: Final answer
    x = 52,815.67

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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.