Home / 106,390.46-146,816.83-57,992.84

Finding the Fourth Proportional to 106,390.46, 146,816.83 and 57,992.84

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Solution

The fourth proportional to 106,390.46, 146,816.83 and 57,992.84 is: 80,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,390.46 : 146,816.83 = 57,992.84 : x
  2. Step 2: Convert to fraction form
    106,390.46/146,816.83 = 57,992.84/x
  3. Step 3: Cross multiply
    106,390.46x = 146,816.83 × 57,992.84
  4. Step 4: Simplify right side
    106,390.46x = 8,514,325,371.03
  5. Step 5: Solve for x
    x = 8,514,325,371.03/106,390.46
  6. Step 6: Final answer
    x = 80,029.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.