Home / 109,826.28-164,676.97-43,230.30

Finding the Fourth Proportional to 109,826.28, 164,676.97 and 43,230.30

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Solution

The fourth proportional to 109,826.28, 164,676.97 and 43,230.30 is: 64,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,826.28 : 164,676.97 = 43,230.30 : x
  2. Step 2: Convert to fraction form
    109,826.28/164,676.97 = 43,230.30/x
  3. Step 3: Cross multiply
    109,826.28x = 164,676.97 × 43,230.30
  4. Step 4: Simplify right side
    109,826.28x = 7,119,034,816.19
  5. Step 5: Solve for x
    x = 7,119,034,816.19/109,826.28
  6. Step 6: Final answer
    x = 64,820.87

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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.