Finding the Fourth Proportional to 103,153.11, 154,741.23 and 92,557.99
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Solution
The fourth proportional to 103,153.11, 154,741.23 and 92,557.99 is: 138,847.36
Step by Step Solution
- Step 1: Write the proportion equation
103,153.11 : 154,741.23 = 92,557.99 : x - Step 2: Convert to fraction form
103,153.11/154,741.23 = 92,557.99/x - Step 3: Cross multiply
103,153.11x = 154,741.23 × 92,557.99 - Step 4: Simplify right side
103,153.11x = 14,322,537,218.93 - Step 5: Solve for x
x = 14,322,537,218.93/103,153.11 - Step 6: Final answer
x = 138,847.36
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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.