Home / 64,123.30-96,180.39-19,745.43

Finding the Fourth Proportional to 64,123.30, 96,180.39 and 19,745.43

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Solution

The fourth proportional to 64,123.30, 96,180.39 and 19,745.43 is: 29,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123.30 : 96,180.39 = 19,745.43 : x
  2. Step 2: Convert to fraction form
    64,123.30/96,180.39 = 19,745.43/x
  3. Step 3: Cross multiply
    64,123.30x = 96,180.39 × 19,745.43
  4. Step 4: Simplify right side
    64,123.30x = 1,899,122,797.44
  5. Step 5: Solve for x
    x = 1,899,122,797.44/64,123.30
  6. Step 6: Final answer
    x = 29,616.73

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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.