Finding the Fourth Proportional to 121,735.63, 167,984.24 and 68,013.19
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Solution
The fourth proportional to 121,735.63, 167,984.24 and 68,013.19 is: 93,852.10
Step by Step Solution
- Step 1: Write the proportion equation
121,735.63 : 167,984.24 = 68,013.19 : x - Step 2: Convert to fraction form
121,735.63/167,984.24 = 68,013.19/x - Step 3: Cross multiply
121,735.63x = 167,984.24 × 68,013.19 - Step 4: Simplify right side
121,735.63x = 11,425,144,032.13 - Step 5: Solve for x
x = 11,425,144,032.13/121,735.63 - Step 6: Final answer
x = 93,852.10
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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.