Home / 274,851.37-412,271.18-75,171.76

Finding the Fourth Proportional to 274,851.37, 412,271.18 and 75,171.76

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Solution

The fourth proportional to 274,851.37, 412,271.18 and 75,171.76 is: 112,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,851.37 : 412,271.18 = 75,171.76 : x
  2. Step 2: Convert to fraction form
    274,851.37/412,271.18 = 75,171.76/x
  3. Step 3: Cross multiply
    274,851.37x = 412,271.18 × 75,171.76
  4. Step 4: Simplify right side
    274,851.37x = 30,991,150,197.88
  5. Step 5: Solve for x
    x = 30,991,150,197.88/274,851.37
  6. Step 6: Final answer
    x = 112,756.03

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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.