Finding the Fourth Proportional to 122,959.62, 184,365.48 and 83,396.79
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Solution
The fourth proportional to 122,959.62, 184,365.48 and 83,396.79 is: 125,045.03
Step by Step Solution
- Step 1: Write the proportion equation
122,959.62 : 184,365.48 = 83,396.79 : x - Step 2: Convert to fraction form
122,959.62/184,365.48 = 83,396.79/x - Step 3: Cross multiply
122,959.62x = 184,365.48 × 83,396.79 - Step 4: Simplify right side
122,959.62x = 15,375,489,218.81 - Step 5: Solve for x
x = 15,375,489,218.81/122,959.62 - Step 6: Final answer
x = 125,045.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.