Home / 223,273.19-308,115.72-121,297.83

Finding the Fourth Proportional to 223,273.19, 308,115.72 and 121,297.83

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Solution

The fourth proportional to 223,273.19, 308,115.72 and 121,297.83 is: 167,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,273.19 : 308,115.72 = 121,297.83 : x
  2. Step 2: Convert to fraction form
    223,273.19/308,115.72 = 121,297.83/x
  3. Step 3: Cross multiply
    223,273.19x = 308,115.72 × 121,297.83
  4. Step 4: Simplify right side
    223,273.19x = 37,373,768,224.89
  5. Step 5: Solve for x
    x = 37,373,768,224.89/223,273.19
  6. Step 6: Final answer
    x = 167,390.31

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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.