Home / 199,355.45-298,992.40-57,162.64

Finding the Fourth Proportional to 199,355.45, 298,992.40 and 57,162.64

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Solution

The fourth proportional to 199,355.45, 298,992.40 and 57,162.64 is: 85,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,355.45 : 298,992.40 = 57,162.64 : x
  2. Step 2: Convert to fraction form
    199,355.45/298,992.40 = 57,162.64/x
  3. Step 3: Cross multiply
    199,355.45x = 298,992.40 × 57,162.64
  4. Step 4: Simplify right side
    199,355.45x = 17,091,193,357.52
  5. Step 5: Solve for x
    x = 17,091,193,357.52/199,355.45
  6. Step 6: Final answer
    x = 85,732.26

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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.