Finding the Fourth Proportional to 121,352.08, 167,474.28 and 73,607.44
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Solution
The fourth proportional to 121,352.08, 167,474.28 and 73,607.44 is: 101,583.37
Step by Step Solution
- Step 1: Write the proportion equation
121,352.08 : 167,474.28 = 73,607.44 : x - Step 2: Convert to fraction form
121,352.08/167,474.28 = 73,607.44/x - Step 3: Cross multiply
121,352.08x = 167,474.28 × 73,607.44 - Step 4: Simplify right side
121,352.08x = 12,327,353,016.64 - Step 5: Solve for x
x = 12,327,353,016.64/121,352.08 - Step 6: Final answer
x = 101,583.37
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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.