Home / 212,474.82-293,209.94-120,611.27

Finding the Fourth Proportional to 212,474.82, 293,209.94 and 120,611.27

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Solution

The fourth proportional to 212,474.82, 293,209.94 and 120,611.27 is: 166,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,474.82 : 293,209.94 = 120,611.27 : x
  2. Step 2: Convert to fraction form
    212,474.82/293,209.94 = 120,611.27/x
  3. Step 3: Cross multiply
    212,474.82x = 293,209.94 × 120,611.27
  4. Step 4: Simplify right side
    212,474.82x = 35,364,421,170.92
  5. Step 5: Solve for x
    x = 35,364,421,170.92/212,474.82
  6. Step 6: Final answer
    x = 166,440.53

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Why These Related Problems?

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