Home / 111,161.63-166,720.28-40,082.31

Finding the Fourth Proportional to 111,161.63, 166,720.28 and 40,082.31

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Solution

The fourth proportional to 111,161.63, 166,720.28 and 40,082.31 is: 60,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,161.63 : 166,720.28 = 40,082.31 : x
  2. Step 2: Convert to fraction form
    111,161.63/166,720.28 = 40,082.31/x
  3. Step 3: Cross multiply
    111,161.63x = 166,720.28 × 40,082.31
  4. Step 4: Simplify right side
    111,161.63x = 6,682,533,745.84
  5. Step 5: Solve for x
    x = 6,682,533,745.84/111,161.63
  6. Step 6: Final answer
    x = 60,115.47

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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.