Home / 109,028.44-163,216.74-66,775.48

Finding the Fourth Proportional to 109,028.44, 163,216.74 and 66,775.48

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Solution

The fourth proportional to 109,028.44, 163,216.74 and 66,775.48 is: 99,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,028.44 : 163,216.74 = 66,775.48 : x
  2. Step 2: Convert to fraction form
    109,028.44/163,216.74 = 66,775.48/x
  3. Step 3: Cross multiply
    109,028.44x = 163,216.74 × 66,775.48
  4. Step 4: Simplify right side
    109,028.44x = 10,898,876,157.54
  5. Step 5: Solve for x
    x = 10,898,876,157.54/109,028.44
  6. Step 6: Final answer
    x = 99,963.61

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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.