Home / 141,361.16-211,764.30-82,072.52

Finding the Fourth Proportional to 141,361.16, 211,764.30 and 82,072.52

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Solution

The fourth proportional to 141,361.16, 211,764.30 and 82,072.52 is: 122,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,361.16 : 211,764.30 = 82,072.52 : x
  2. Step 2: Convert to fraction form
    141,361.16/211,764.30 = 82,072.52/x
  3. Step 3: Cross multiply
    141,361.16x = 211,764.30 × 82,072.52
  4. Step 4: Simplify right side
    141,361.16x = 17,380,029,747.04
  5. Step 5: Solve for x
    x = 17,380,029,747.04/141,361.16
  6. Step 6: Final answer
    x = 122,947.70

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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.