Home / 80,202.54-120,318.52-26,889.14

Finding the Fourth Proportional to 80,202.54, 120,318.52 and 26,889.14

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Solution

The fourth proportional to 80,202.54, 120,318.52 and 26,889.14 is: 40,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,202.54 : 120,318.52 = 26,889.14 : x
  2. Step 2: Convert to fraction form
    80,202.54/120,318.52 = 26,889.14/x
  3. Step 3: Cross multiply
    80,202.54x = 120,318.52 × 26,889.14
  4. Step 4: Simplify right side
    80,202.54x = 3,235,261,528.87
  5. Step 5: Solve for x
    x = 3,235,261,528.87/80,202.54
  6. Step 6: Final answer
    x = 40,338.64

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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.