Home / 109,408.28-164,121.60-30,523.46

Finding the Fourth Proportional to 109,408.28, 164,121.60 and 30,523.46

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Solution

The fourth proportional to 109,408.28, 164,121.60 and 30,523.46 is: 45,787.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,408.28 : 164,121.60 = 30,523.46 : x
  2. Step 2: Convert to fraction form
    109,408.28/164,121.60 = 30,523.46/x
  3. Step 3: Cross multiply
    109,408.28x = 164,121.60 × 30,523.46
  4. Step 4: Simplify right side
    109,408.28x = 5,009,559,092.74
  5. Step 5: Solve for x
    x = 5,009,559,092.74/109,408.28
  6. Step 6: Final answer
    x = 45,787.75

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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.