Home / 223,150.96-307,947.20-121,175.54

Finding the Fourth Proportional to 223,150.96, 307,947.20 and 121,175.54

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Solution

The fourth proportional to 223,150.96, 307,947.20 and 121,175.54 is: 167,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,150.96 : 307,947.20 = 121,175.54 : x
  2. Step 2: Convert to fraction form
    223,150.96/307,947.20 = 121,175.54/x
  3. Step 3: Cross multiply
    223,150.96x = 307,947.20 × 121,175.54
  4. Step 4: Simplify right side
    223,150.96x = 37,315,668,251.49
  5. Step 5: Solve for x
    x = 37,315,668,251.49/223,150.96
  6. Step 6: Final answer
    x = 167,221.63

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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.