Home / 223,040.82-307,796.63-121,066.31

Finding the Fourth Proportional to 223,040.82, 307,796.63 and 121,066.31

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Solution

The fourth proportional to 223,040.82, 307,796.63 and 121,066.31 is: 167,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,040.82 : 307,796.63 = 121,066.31 : x
  2. Step 2: Convert to fraction form
    223,040.82/307,796.63 = 121,066.31/x
  3. Step 3: Cross multiply
    223,040.82x = 307,796.63 × 121,066.31
  4. Step 4: Simplify right side
    223,040.82x = 37,263,802,388.70
  5. Step 5: Solve for x
    x = 37,263,802,388.70/223,040.82
  6. Step 6: Final answer
    x = 167,071.67

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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.