Home / 221,396.58-305,525.73-125,903.25

Finding the Fourth Proportional to 221,396.58, 305,525.73 and 125,903.25

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Solution

The fourth proportional to 221,396.58, 305,525.73 and 125,903.25 is: 173,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,396.58 : 305,525.73 = 125,903.25 : x
  2. Step 2: Convert to fraction form
    221,396.58/305,525.73 = 125,903.25/x
  3. Step 3: Cross multiply
    221,396.58x = 305,525.73 × 125,903.25
  4. Step 4: Simplify right side
    221,396.58x = 38,466,682,365.62
  5. Step 5: Solve for x
    x = 38,466,682,365.62/221,396.58
  6. Step 6: Final answer
    x = 173,745.60

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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.