Home / 109,311.44-150,919.43-89,216.26

Finding the Fourth Proportional to 109,311.44, 150,919.43 and 89,216.26

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Solution

The fourth proportional to 109,311.44, 150,919.43 and 89,216.26 is: 123,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,311.44 : 150,919.43 = 89,216.26 : x
  2. Step 2: Convert to fraction form
    109,311.44/150,919.43 = 89,216.26/x
  3. Step 3: Cross multiply
    109,311.44x = 150,919.43 × 89,216.26
  4. Step 4: Simplify right side
    109,311.44x = 13,464,466,282.55
  5. Step 5: Solve for x
    x = 13,464,466,282.55/109,311.44
  6. Step 6: Final answer
    x = 123,175.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.