Finding the Fourth Proportional to 188,177.92, 259,682.27 and 102,135.05
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Solution
The fourth proportional to 188,177.92, 259,682.27 and 102,135.05 is: 140,944.60
Step by Step Solution
- Step 1: Write the proportion equation
188,177.92 : 259,682.27 = 102,135.05 : x - Step 2: Convert to fraction form
188,177.92/259,682.27 = 102,135.05/x - Step 3: Cross multiply
188,177.92x = 259,682.27 × 102,135.05 - Step 4: Simplify right side
188,177.92x = 26,522,661,444.49 - Step 5: Solve for x
x = 26,522,661,444.49/188,177.92 - Step 6: Final answer
x = 140,944.60
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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.