Finding the Fourth Proportional to 125,556.89, 173,191.77 and 74,534.99
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Solution
The fourth proportional to 125,556.89, 173,191.77 and 74,534.99 is: 102,812.73
Step by Step Solution
- Step 1: Write the proportion equation
125,556.89 : 173,191.77 = 74,534.99 : x - Step 2: Convert to fraction form
125,556.89/173,191.77 = 74,534.99/x - Step 3: Cross multiply
125,556.89x = 173,191.77 × 74,534.99 - Step 4: Simplify right side
125,556.89x = 12,908,845,979.07 - Step 5: Solve for x
x = 12,908,845,979.07/125,556.89 - Step 6: Final answer
x = 102,812.73
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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.