Home / 141,012.52-211,236.78-84,821.56

Finding the Fourth Proportional to 141,012.52, 211,236.78 and 84,821.56

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Solution

The fourth proportional to 141,012.52, 211,236.78 and 84,821.56 is: 127,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,012.52 : 211,236.78 = 84,821.56 : x
  2. Step 2: Convert to fraction form
    141,012.52/211,236.78 = 84,821.56/x
  3. Step 3: Cross multiply
    141,012.52x = 211,236.78 × 84,821.56
  4. Step 4: Simplify right side
    141,012.52x = 17,917,433,208.98
  5. Step 5: Solve for x
    x = 17,917,433,208.98/141,012.52
  6. Step 6: Final answer
    x = 127,062.71

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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.