Home / 213,946.56-320,906.40-56,171.52

Finding the Fourth Proportional to 213,946.56, 320,906.40 and 56,171.52

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Solution

The fourth proportional to 213,946.56, 320,906.40 and 56,171.52 is: 84,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,946.56 : 320,906.40 = 56,171.52 : x
  2. Step 2: Convert to fraction form
    213,946.56/320,906.40 = 56,171.52/x
  3. Step 3: Cross multiply
    213,946.56x = 320,906.40 × 56,171.52
  4. Step 4: Simplify right side
    213,946.56x = 18,025,800,265.73
  5. Step 5: Solve for x
    x = 18,025,800,265.73/213,946.56
  6. Step 6: Final answer
    x = 84,253.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.