Home / 102,815.58-154,235.70-36,241.95

Finding the Fourth Proportional to 102,815.58, 154,235.70 and 36,241.95

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Solution

The fourth proportional to 102,815.58, 154,235.70 and 36,241.95 is: 54,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,815.58 : 154,235.70 = 36,241.95 : x
  2. Step 2: Convert to fraction form
    102,815.58/154,235.70 = 36,241.95/x
  3. Step 3: Cross multiply
    102,815.58x = 154,235.70 × 36,241.95
  4. Step 4: Simplify right side
    102,815.58x = 5,589,802,527.62
  5. Step 5: Solve for x
    x = 5,589,802,527.62/102,815.58
  6. Step 6: Final answer
    x = 54,367.27

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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.