Home / 148,418.45-204,815.15-80,434.83

Finding the Fourth Proportional to 148,418.45, 204,815.15 and 80,434.83

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Solution

The fourth proportional to 148,418.45, 204,815.15 and 80,434.83 is: 110,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,418.45 : 204,815.15 = 80,434.83 : x
  2. Step 2: Convert to fraction form
    148,418.45/204,815.15 = 80,434.83/x
  3. Step 3: Cross multiply
    148,418.45x = 204,815.15 × 80,434.83
  4. Step 4: Simplify right side
    148,418.45x = 16,474,271,369.50
  5. Step 5: Solve for x
    x = 16,474,271,369.50/148,418.45
  6. Step 6: Final answer
    x = 110,998.81

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