Home / 140,530.50-193,927.26-80,120.60

Finding the Fourth Proportional to 140,530.50, 193,927.26 and 80,120.60

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Solution

The fourth proportional to 140,530.50, 193,927.26 and 80,120.60 is: 110,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,530.50 : 193,927.26 = 80,120.60 : x
  2. Step 2: Convert to fraction form
    140,530.50/193,927.26 = 80,120.60/x
  3. Step 3: Cross multiply
    140,530.50x = 193,927.26 × 80,120.60
  4. Step 4: Simplify right side
    140,530.50x = 15,537,568,427.56
  5. Step 5: Solve for x
    x = 15,537,568,427.56/140,530.50
  6. Step 6: Final answer
    x = 110,563.67

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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.