Home / 213,210.75-294,230.76-122,584.44

Finding the Fourth Proportional to 213,210.75, 294,230.76 and 122,584.44

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Solution

The fourth proportional to 213,210.75, 294,230.76 and 122,584.44 is: 169,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,210.75 : 294,230.76 = 122,584.44 : x
  2. Step 2: Convert to fraction form
    213,210.75/294,230.76 = 122,584.44/x
  3. Step 3: Cross multiply
    213,210.75x = 294,230.76 × 122,584.44
  4. Step 4: Simplify right side
    213,210.75x = 36,068,112,945.37
  5. Step 5: Solve for x
    x = 36,068,112,945.37/213,210.75
  6. Step 6: Final answer
    x = 169,166.48

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1.5x scale

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.