Home / 194,664.80-291,835.20-82,431.20

Finding the Fourth Proportional to 194,664.80, 291,835.20 and 82,431.20

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Solution

The fourth proportional to 194,664.80, 291,835.20 and 82,431.20 is: 123,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,664.80 : 291,835.20 = 82,431.20 : x
  2. Step 2: Convert to fraction form
    194,664.80/291,835.20 = 82,431.20/x
  3. Step 3: Cross multiply
    194,664.80x = 291,835.20 × 82,431.20
  4. Step 4: Simplify right side
    194,664.80x = 24,056,325,738.24
  5. Step 5: Solve for x
    x = 24,056,325,738.24/194,664.80
  6. Step 6: Final answer
    x = 123,578.20

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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.