Home / 109,871.10-164,758.05-50,676.30

Finding the Fourth Proportional to 109,871.10, 164,758.05 and 50,676.30

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Solution

The fourth proportional to 109,871.10, 164,758.05 and 50,676.30 is: 75,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,871.10 : 164,758.05 = 50,676.30 : x
  2. Step 2: Convert to fraction form
    109,871.10/164,758.05 = 50,676.30/x
  3. Step 3: Cross multiply
    109,871.10x = 164,758.05 × 50,676.30
  4. Step 4: Simplify right side
    109,871.10x = 8,349,328,369.22
  5. Step 5: Solve for x
    x = 8,349,328,369.22/109,871.10
  6. Step 6: Final answer
    x = 75,992.03

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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.