Home / 193,311.62-289,848.32-66,922.46

Finding the Fourth Proportional to 193,311.62, 289,848.32 and 66,922.46

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Solution

The fourth proportional to 193,311.62, 289,848.32 and 66,922.46 is: 100,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,311.62 : 289,848.32 = 66,922.46 : x
  2. Step 2: Convert to fraction form
    193,311.62/289,848.32 = 66,922.46/x
  3. Step 3: Cross multiply
    193,311.62x = 289,848.32 × 66,922.46
  4. Step 4: Simplify right side
    193,311.62x = 19,397,362,601.27
  5. Step 5: Solve for x
    x = 19,397,362,601.27/193,311.62
  6. Step 6: Final answer
    x = 100,342.46

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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.