Home / 109,881.21-164,825.87-30,997.55

Finding the Fourth Proportional to 109,881.21, 164,825.87 and 30,997.55

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Solution

The fourth proportional to 109,881.21, 164,825.87 and 30,997.55 is: 46,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,881.21 : 164,825.87 = 30,997.55 : x
  2. Step 2: Convert to fraction form
    109,881.21/164,825.87 = 30,997.55/x
  3. Step 3: Cross multiply
    109,881.21x = 164,825.87 × 30,997.55
  4. Step 4: Simplify right side
    109,881.21x = 5,109,198,146.62
  5. Step 5: Solve for x
    x = 5,109,198,146.62/109,881.21
  6. Step 6: Final answer
    x = 46,497.47

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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.