Home / 165,608.70-228,540.87-90,157.74

Finding the Fourth Proportional to 165,608.70, 228,540.87 and 90,157.74

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Solution

The fourth proportional to 165,608.70, 228,540.87 and 90,157.74 is: 124,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,608.70 : 228,540.87 = 90,157.74 : x
  2. Step 2: Convert to fraction form
    165,608.70/228,540.87 = 90,157.74/x
  3. Step 3: Cross multiply
    165,608.70x = 228,540.87 × 90,157.74
  4. Step 4: Simplify right side
    165,608.70x = 20,604,728,336.83
  5. Step 5: Solve for x
    x = 20,604,728,336.83/165,608.70
  6. Step 6: Final answer
    x = 124,418.15

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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.