Finding the Fourth Proportional to 149,145.93, 205,822.26 and 81,163.44
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Solution
The fourth proportional to 149,145.93, 205,822.26 and 81,163.44 is: 112,006.02
Step by Step Solution
- Step 1: Write the proportion equation
149,145.93 : 205,822.26 = 81,163.44 : x - Step 2: Convert to fraction form
149,145.93/205,822.26 = 81,163.44/x - Step 3: Cross multiply
149,145.93x = 205,822.26 × 81,163.44 - Step 4: Simplify right side
149,145.93x = 16,705,242,650.17 - Step 5: Solve for x
x = 16,705,242,650.17/149,145.93 - Step 6: Final answer
x = 112,006.02
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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.