Home / 211,669.71-292,103.82-121,027.38

Finding the Fourth Proportional to 211,669.71, 292,103.82 and 121,027.38

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Solution

The fourth proportional to 211,669.71, 292,103.82 and 121,027.38 is: 167,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,669.71 : 292,103.82 = 121,027.38 : x
  2. Step 2: Convert to fraction form
    211,669.71/292,103.82 = 121,027.38/x
  3. Step 3: Cross multiply
    211,669.71x = 292,103.82 × 121,027.38
  4. Step 4: Simplify right side
    211,669.71x = 35,352,560,022.59
  5. Step 5: Solve for x
    x = 35,352,560,022.59/211,669.71
  6. Step 6: Final answer
    x = 167,017.57

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Why These Related Problems?

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