Home / 213,650.58-294,805.05-122,989.03

Finding the Fourth Proportional to 213,650.58, 294,805.05 and 122,989.03

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Solution

The fourth proportional to 213,650.58, 294,805.05 and 122,989.03 is: 169,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,650.58 : 294,805.05 = 122,989.03 : x
  2. Step 2: Convert to fraction form
    213,650.58/294,805.05 = 122,989.03/x
  3. Step 3: Cross multiply
    213,650.58x = 294,805.05 × 122,989.03
  4. Step 4: Simplify right side
    213,650.58x = 36,257,787,138.60
  5. Step 5: Solve for x
    x = 36,257,787,138.60/213,650.58
  6. Step 6: Final answer
    x = 169,706.01

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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.