Home / 223,163.86-307,966.44-121,189.36

Finding the Fourth Proportional to 223,163.86, 307,966.44 and 121,189.36

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Solution

The fourth proportional to 223,163.86, 307,966.44 and 121,189.36 is: 167,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,163.86 : 307,966.44 = 121,189.36 : x
  2. Step 2: Convert to fraction form
    223,163.86/307,966.44 = 121,189.36/x
  3. Step 3: Cross multiply
    223,163.86x = 307,966.44 × 121,189.36
  4. Step 4: Simplify right side
    223,163.86x = 37,322,255,765.08
  5. Step 5: Solve for x
    x = 37,322,255,765.08/223,163.86
  6. Step 6: Final answer
    x = 167,241.49

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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.