Finding the Fourth Proportional to 121,084.08, 167,104.01 and 67,369.21
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Solution
The fourth proportional to 121,084.08, 167,104.01 and 67,369.21 is: 92,973.95
Step by Step Solution
- Step 1: Write the proportion equation
121,084.08 : 167,104.01 = 67,369.21 : x - Step 2: Convert to fraction form
121,084.08/167,104.01 = 67,369.21/x - Step 3: Cross multiply
121,084.08x = 167,104.01 × 67,369.21 - Step 4: Simplify right side
121,084.08x = 11,257,664,474.44 - Step 5: Solve for x
x = 11,257,664,474.44/121,084.08 - Step 6: Final answer
x = 92,973.95
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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.