Finding the Fourth Proportional to 120,530.23, 166,320.53 and 66,810.68
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Solution
The fourth proportional to 120,530.23, 166,320.53 and 66,810.68 is: 92,192.53
Step by Step Solution
- Step 1: Write the proportion equation
120,530.23 : 166,320.53 = 66,810.68 : x - Step 2: Convert to fraction form
120,530.23/166,320.53 = 66,810.68/x - Step 3: Cross multiply
120,530.23x = 166,320.53 × 66,810.68 - Step 4: Simplify right side
120,530.23x = 11,111,987,042.68 - Step 5: Solve for x
x = 11,111,987,042.68/120,530.23 - Step 6: Final answer
x = 92,192.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.