Finding the Fourth Proportional to 168,185.56, 252,261.96 and 68,351.74
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Solution
The fourth proportional to 168,185.56, 252,261.96 and 68,351.74 is: 102,520.95
Step by Step Solution
- Step 1: Write the proportion equation
168,185.56 : 252,261.96 = 68,351.74 : x - Step 2: Convert to fraction form
168,185.56/252,261.96 = 68,351.74/x - Step 3: Cross multiply
168,185.56x = 252,261.96 × 68,351.74 - Step 4: Simplify right side
168,185.56x = 17,242,543,901.81 - Step 5: Solve for x
x = 17,242,543,901.81/168,185.56 - Step 6: Final answer
x = 102,520.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.