Home / 163,584.49-225,744.37-90,986.69

Finding the Fourth Proportional to 163,584.49, 225,744.37 and 90,986.69

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Solution

The fourth proportional to 163,584.49, 225,744.37 and 90,986.69 is: 125,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,584.49 : 225,744.37 = 90,986.69 : x
  2. Step 2: Convert to fraction form
    163,584.49/225,744.37 = 90,986.69/x
  3. Step 3: Cross multiply
    163,584.49x = 225,744.37 × 90,986.69
  4. Step 4: Simplify right side
    163,584.49x = 20,539,733,012.44
  5. Step 5: Solve for x
    x = 20,539,733,012.44/163,584.49
  6. Step 6: Final answer
    x = 125,560.39

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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.