Finding the Fourth Proportional to 121,173.48, 167,194.98 and 73,399.08
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Solution
The fourth proportional to 121,173.48, 167,194.98 and 73,399.08 is: 101,275.94
Step by Step Solution
- Step 1: Write the proportion equation
121,173.48 : 167,194.98 = 73,399.08 : x - Step 2: Convert to fraction form
121,173.48/167,194.98 = 73,399.08/x - Step 3: Cross multiply
121,173.48x = 167,194.98 × 73,399.08 - Step 4: Simplify right side
121,173.48x = 12,271,957,712.62 - Step 5: Solve for x
x = 12,271,957,712.62/121,173.48 - Step 6: Final answer
x = 101,275.94
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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.