Home / 223,810.82-308,849.28-121,836.44

Finding the Fourth Proportional to 223,810.82, 308,849.28 and 121,836.44

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Solution

The fourth proportional to 223,810.82, 308,849.28 and 121,836.44 is: 168,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,810.82 : 308,849.28 = 121,836.44 : x
  2. Step 2: Convert to fraction form
    223,810.82/308,849.28 = 121,836.44/x
  3. Step 3: Cross multiply
    223,810.82x = 308,849.28 × 121,836.44
  4. Step 4: Simplify right side
    223,810.82x = 37,629,096,771.76
  5. Step 5: Solve for x
    x = 37,629,096,771.76/223,810.82
  6. Step 6: Final answer
    x = 168,129.03

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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.