Home / 194,131.20-291,266.88-67,790.07

Finding the Fourth Proportional to 194,131.20, 291,266.88 and 67,790.07

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Solution

The fourth proportional to 194,131.20, 291,266.88 and 67,790.07 is: 101,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,131.20 : 291,266.88 = 67,790.07 : x
  2. Step 2: Convert to fraction form
    194,131.20/291,266.88 = 67,790.07/x
  3. Step 3: Cross multiply
    194,131.20x = 291,266.88 × 67,790.07
  4. Step 4: Simplify right side
    194,131.20x = 19,745,002,183.88
  5. Step 5: Solve for x
    x = 19,745,002,183.88/194,131.20
  6. Step 6: Final answer
    x = 101,709.58

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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.