Home / 125,485.22-188,200.15-36,745.64

Finding the Fourth Proportional to 125,485.22, 188,200.15 and 36,745.64

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Solution

The fourth proportional to 125,485.22, 188,200.15 and 36,745.64 is: 55,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,485.22 : 188,200.15 = 36,745.64 : x
  2. Step 2: Convert to fraction form
    125,485.22/188,200.15 = 36,745.64/x
  3. Step 3: Cross multiply
    125,485.22x = 188,200.15 × 36,745.64
  4. Step 4: Simplify right side
    125,485.22x = 6,915,535,623.62
  5. Step 5: Solve for x
    x = 6,915,535,623.62/125,485.22
  6. Step 6: Final answer
    x = 55,110.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.