Home / 141,067.46-211,789.01-81,945.56

Finding the Fourth Proportional to 141,067.46, 211,789.01 and 81,945.56

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Solution

The fourth proportional to 141,067.46, 211,789.01 and 81,945.56 is: 123,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,067.46 : 211,789.01 = 81,945.56 : x
  2. Step 2: Convert to fraction form
    141,067.46/211,789.01 = 81,945.56/x
  3. Step 3: Cross multiply
    141,067.46x = 211,789.01 × 81,945.56
  4. Step 4: Simplify right side
    141,067.46x = 17,355,169,760.63
  5. Step 5: Solve for x
    x = 17,355,169,760.63/141,067.46
  6. Step 6: Final answer
    x = 123,027.45

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1.5x scale

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.