Home / 267,436.87-401,155.76-67,757.09

Finding the Fourth Proportional to 267,436.87, 401,155.76 and 67,757.09

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Solution

The fourth proportional to 267,436.87, 401,155.76 and 67,757.09 is: 101,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,436.87 : 401,155.76 = 67,757.09 : x
  2. Step 2: Convert to fraction form
    267,436.87/401,155.76 = 67,757.09/x
  3. Step 3: Cross multiply
    267,436.87x = 401,155.76 × 67,757.09
  4. Step 4: Simplify right side
    267,436.87x = 27,181,144,589.77
  5. Step 5: Solve for x
    x = 27,181,144,589.77/267,436.87
  6. Step 6: Final answer
    x = 101,635.74

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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.