Home / 109,676.20-164,268.26-89,993.20

Finding the Fourth Proportional to 109,676.20, 164,268.26 and 89,993.20

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Solution

The fourth proportional to 109,676.20, 164,268.26 and 89,993.20 is: 134,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,676.20 : 164,268.26 = 89,993.20 : x
  2. Step 2: Convert to fraction form
    109,676.20/164,268.26 = 89,993.20/x
  3. Step 3: Cross multiply
    109,676.20x = 164,268.26 × 89,993.20
  4. Step 4: Simplify right side
    109,676.20x = 14,783,026,375.83
  5. Step 5: Solve for x
    x = 14,783,026,375.83/109,676.20
  6. Step 6: Final answer
    x = 134,787.92

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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.