Finding the Fourth Proportional to 121,191.41, 167,237.73 and 69,505.84
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Solution
The fourth proportional to 121,191.41, 167,237.73 and 69,505.84 is: 95,914.38
Step by Step Solution
- Step 1: Write the proportion equation
121,191.41 : 167,237.73 = 69,505.84 : x - Step 2: Convert to fraction form
121,191.41/167,237.73 = 69,505.84/x - Step 3: Cross multiply
121,191.41x = 167,237.73 × 69,505.84 - Step 4: Simplify right side
121,191.41x = 11,623,998,642.03 - Step 5: Solve for x
x = 11,623,998,642.03/121,191.41 - Step 6: Final answer
x = 95,914.38
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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.