Finding the Fourth Proportional to 112,150.68, 154,767.48 and 61,163.28
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Solution
The fourth proportional to 112,150.68, 154,767.48 and 61,163.28 is: 84,405.08
Step by Step Solution
- Step 1: Write the proportion equation
112,150.68 : 154,767.48 = 61,163.28 : x - Step 2: Convert to fraction form
112,150.68/154,767.48 = 61,163.28/x - Step 3: Cross multiply
112,150.68x = 154,767.48 × 61,163.28 - Step 4: Simplify right side
112,150.68x = 9,466,086,714.13 - Step 5: Solve for x
x = 9,466,086,714.13/112,150.68 - Step 6: Final answer
x = 84,405.08
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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.