Finding the Fourth Proportional to 97,205.61, 134,149.92 and 73,290.09
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Solution
The fourth proportional to 97,205.61, 134,149.92 and 73,290.09 is: 101,144.98
Step by Step Solution
- Step 1: Write the proportion equation
97,205.61 : 134,149.92 = 73,290.09 : x - Step 2: Convert to fraction form
97,205.61/134,149.92 = 73,290.09/x - Step 3: Cross multiply
97,205.61x = 134,149.92 × 73,290.09 - Step 4: Simplify right side
97,205.61x = 9,831,859,710.29 - Step 5: Solve for x
x = 9,831,859,710.29/97,205.61 - Step 6: Final answer
x = 101,144.98
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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.