Finding the Fourth Proportional to 121,566.96, 167,762.61 and 67,851.96
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Solution
The fourth proportional to 121,566.96, 167,762.61 and 67,851.96 is: 93,635.82
Step by Step Solution
- Step 1: Write the proportion equation
121,566.96 : 167,762.61 = 67,851.96 : x - Step 2: Convert to fraction form
121,566.96/167,762.61 = 67,851.96/x - Step 3: Cross multiply
121,566.96x = 167,762.61 × 67,851.96 - Step 4: Simplify right side
121,566.96x = 11,383,021,903.22 - Step 5: Solve for x
x = 11,383,021,903.22/121,566.96 - Step 6: Final answer
x = 93,635.82
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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.