Home / 123,435.21-185,226.77-113,396.88

Finding the Fourth Proportional to 123,435.21, 185,226.77 and 113,396.88

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Solution

The fourth proportional to 123,435.21, 185,226.77 and 113,396.88 is: 170,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,435.21 : 185,226.77 = 113,396.88 : x
  2. Step 2: Convert to fraction form
    123,435.21/185,226.77 = 113,396.88/x
  3. Step 3: Cross multiply
    123,435.21x = 185,226.77 × 113,396.88
  4. Step 4: Simplify right side
    123,435.21x = 21,004,137,810.48
  5. Step 5: Solve for x
    x = 21,004,137,810.48/123,435.21
  6. Step 6: Final answer
    x = 170,163.26

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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.