Home / 211,067.10-291,272.47-126,183.90

Finding the Fourth Proportional to 211,067.10, 291,272.47 and 126,183.90

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Solution

The fourth proportional to 211,067.10, 291,272.47 and 126,183.90 is: 174,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,067.10 : 291,272.47 = 126,183.90 : x
  2. Step 2: Convert to fraction form
    211,067.10/291,272.47 = 126,183.90/x
  3. Step 3: Cross multiply
    211,067.10x = 291,272.47 × 126,183.90
  4. Step 4: Simplify right side
    211,067.10x = 36,753,896,227.23
  5. Step 5: Solve for x
    x = 36,753,896,227.23/211,067.10
  6. Step 6: Final answer
    x = 174,133.71

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