Home / 223,579.89-308,449.19-126,763.35

Finding the Fourth Proportional to 223,579.89, 308,449.19 and 126,763.35

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Solution

The fourth proportional to 223,579.89, 308,449.19 and 126,763.35 is: 174,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,579.89 : 308,449.19 = 126,763.35 : x
  2. Step 2: Convert to fraction form
    223,579.89/308,449.19 = 126,763.35/x
  3. Step 3: Cross multiply
    223,579.89x = 308,449.19 × 126,763.35
  4. Step 4: Simplify right side
    223,579.89x = 39,100,051,995.37
  5. Step 5: Solve for x
    x = 39,100,051,995.37/223,579.89
  6. Step 6: Final answer
    x = 174,881.79

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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.