Home / 213,639.73-294,733.78-122,974.00

Finding the Fourth Proportional to 213,639.73, 294,733.78 and 122,974.00

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Solution

The fourth proportional to 213,639.73, 294,733.78 and 122,974.00 is: 169,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,639.73 : 294,733.78 = 122,974.00 : x
  2. Step 2: Convert to fraction form
    213,639.73/294,733.78 = 122,974.00/x
  3. Step 3: Cross multiply
    213,639.73x = 294,733.78 × 122,974.00
  4. Step 4: Simplify right side
    213,639.73x = 36,244,590,817.45
  5. Step 5: Solve for x
    x = 36,244,590,817.45/213,639.73
  6. Step 6: Final answer
    x = 169,652.86

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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.