Home / 213,371.94-294,461.75-122,727.81

Finding the Fourth Proportional to 213,371.94, 294,461.75 and 122,727.81

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Solution

The fourth proportional to 213,371.94, 294,461.75 and 122,727.81 is: 169,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,371.94 : 294,461.75 = 122,727.81 : x
  2. Step 2: Convert to fraction form
    213,371.94/294,461.75 = 122,727.81/x
  3. Step 3: Cross multiply
    213,371.94x = 294,461.75 × 122,727.81
  4. Step 4: Simplify right side
    213,371.94x = 36,138,645,092.63
  5. Step 5: Solve for x
    x = 36,138,645,092.63/213,371.94
  6. Step 6: Final answer
    x = 169,369.25

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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.