Finding the Fourth Proportional to 121,253.58, 167,338.35 and 73,508.94
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Solution
The fourth proportional to 121,253.58, 167,338.35 and 73,508.94 is: 101,447.44
Step by Step Solution
- Step 1: Write the proportion equation
121,253.58 : 167,338.35 = 73,508.94 : x - Step 2: Convert to fraction form
121,253.58/167,338.35 = 73,508.94/x - Step 3: Cross multiply
121,253.58x = 167,338.35 × 73,508.94 - Step 4: Simplify right side
121,253.58x = 12,300,864,729.85 - Step 5: Solve for x
x = 12,300,864,729.85/121,253.58 - Step 6: Final answer
x = 101,447.44
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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.