Finding the Fourth Proportional to 122,590.15, 169,181.63 and 92,322.07
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Solution
The fourth proportional to 122,590.15, 169,181.63 and 92,322.07 is: 127,409.89
Step by Step Solution
- Step 1: Write the proportion equation
122,590.15 : 169,181.63 = 92,322.07 : x - Step 2: Convert to fraction form
122,590.15/169,181.63 = 92,322.07/x - Step 3: Cross multiply
122,590.15x = 169,181.63 × 92,322.07 - Step 4: Simplify right side
122,590.15x = 15,619,197,749.22 - Step 5: Solve for x
x = 15,619,197,749.22/122,590.15 - Step 6: Final answer
x = 127,409.89
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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.