Home / 213,940.00-320,960.61-69,845.05

Finding the Fourth Proportional to 213,940.00, 320,960.61 and 69,845.05

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Solution

The fourth proportional to 213,940.00, 320,960.61 and 69,845.05 is: 104,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,940.00 : 320,960.61 = 69,845.05 : x
  2. Step 2: Convert to fraction form
    213,940.00/320,960.61 = 69,845.05/x
  3. Step 3: Cross multiply
    213,940.00x = 320,960.61 × 69,845.05
  4. Step 4: Simplify right side
    213,940.00x = 22,417,510,254.68
  5. Step 5: Solve for x
    x = 22,417,510,254.68/213,940.00
  6. Step 6: Final answer
    x = 104,784.10

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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.