Finding the Fourth Proportional to 122,097.21, 168,663.93 and 92,113.44
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Solution
The fourth proportional to 122,097.21, 168,663.93 and 92,113.44 is: 127,244.63
Step by Step Solution
- Step 1: Write the proportion equation
122,097.21 : 168,663.93 = 92,113.44 : x - Step 2: Convert to fraction form
122,097.21/168,663.93 = 92,113.44/x - Step 3: Cross multiply
122,097.21x = 168,663.93 × 92,113.44 - Step 4: Simplify right side
122,097.21x = 15,536,214,796.22 - Step 5: Solve for x
x = 15,536,214,796.22/122,097.21 - Step 6: Final answer
x = 127,244.63
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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.