Home / 165,608.96-228,533.12-90,157.44

Finding the Fourth Proportional to 165,608.96, 228,533.12 and 90,157.44

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Solution

The fourth proportional to 165,608.96, 228,533.12 and 90,157.44 is: 124,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,608.96 : 228,533.12 = 90,157.44 : x
  2. Step 2: Convert to fraction form
    165,608.96/228,533.12 = 90,157.44/x
  3. Step 3: Cross multiply
    165,608.96x = 228,533.12 × 90,157.44
  4. Step 4: Simplify right side
    165,608.96x = 20,603,961,054.41
  5. Step 5: Solve for x
    x = 20,603,961,054.41/165,608.96
  6. Step 6: Final answer
    x = 124,413.32

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1.5x scale

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.