Home / 199,420.44-298,977.30-103,254.60

Finding the Fourth Proportional to 199,420.44, 298,977.30 and 103,254.60

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Solution

The fourth proportional to 199,420.44, 298,977.30 and 103,254.60 is: 154,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,420.44 : 298,977.30 = 103,254.60 : x
  2. Step 2: Convert to fraction form
    199,420.44/298,977.30 = 103,254.60/x
  3. Step 3: Cross multiply
    199,420.44x = 298,977.30 × 103,254.60
  4. Step 4: Simplify right side
    199,420.44x = 30,870,781,520.58
  5. Step 5: Solve for x
    x = 30,870,781,520.58/199,420.44
  6. Step 6: Final answer
    x = 154,802.49

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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.