Home / 223,255.26-308,102.97-137,218.00

Finding the Fourth Proportional to 223,255.26, 308,102.97 and 137,218.00

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Solution

The fourth proportional to 223,255.26, 308,102.97 and 137,218.00 is: 189,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,255.26 : 308,102.97 = 137,218.00 : x
  2. Step 2: Convert to fraction form
    223,255.26/308,102.97 = 137,218.00/x
  3. Step 3: Cross multiply
    223,255.26x = 308,102.97 × 137,218.00
  4. Step 4: Simplify right side
    223,255.26x = 42,277,272,501.69
  5. Step 5: Solve for x
    x = 42,277,272,501.69/223,255.26
  6. Step 6: Final answer
    x = 189,367.42

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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.