Finding the Fourth Proportional to 122,764.72, 169,582.08 and 96,242.08
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Solution
The fourth proportional to 122,764.72, 169,582.08 and 96,242.08 is: 132,944.81
Step by Step Solution
- Step 1: Write the proportion equation
122,764.72 : 169,582.08 = 96,242.08 : x - Step 2: Convert to fraction form
122,764.72/169,582.08 = 96,242.08/x - Step 3: Cross multiply
122,764.72x = 169,582.08 × 96,242.08 - Step 4: Simplify right side
122,764.72x = 16,320,932,109.93 - Step 5: Solve for x
x = 16,320,932,109.93/122,764.72 - Step 6: Final answer
x = 132,944.81
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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.