Home / 213,635.07-294,815.97-122,958

Finding the Fourth Proportional to 213,635.07, 294,815.97 and 122,958

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Solution

The fourth proportional to 213,635.07, 294,815.97 and 122,958 is: 169,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,635.07 : 294,815.97 = 122,958 : x
  2. Step 2: Convert to fraction form
    213,635.07/294,815.97 = 122,958/x
  3. Step 3: Cross multiply
    213,635.07x = 294,815.97 × 122,958
  4. Step 4: Simplify right side
    213,635.07x = 36,249,982,039.26
  5. Step 5: Solve for x
    x = 36,249,982,039.26/213,635.07
  6. Step 6: Final answer
    x = 169,681.79

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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.