Home / 199,211.40-298,804.14-80,893.08

Finding the Fourth Proportional to 199,211.40, 298,804.14 and 80,893.08

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Solution

The fourth proportional to 199,211.40, 298,804.14 and 80,893.08 is: 121,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,211.40 : 298,804.14 = 80,893.08 : x
  2. Step 2: Convert to fraction form
    199,211.40/298,804.14 = 80,893.08/x
  3. Step 3: Cross multiply
    199,211.40x = 298,804.14 × 80,893.08
  4. Step 4: Simplify right side
    199,211.40x = 24,171,187,201.35
  5. Step 5: Solve for x
    x = 24,171,187,201.35/199,211.40
  6. Step 6: Final answer
    x = 121,334.36

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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.