Finding the Fourth Proportional to 99,194.22, 136,887.84 and 53,872.02
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Solution
The fourth proportional to 99,194.22, 136,887.84 and 53,872.02 is: 74,343.29
Step by Step Solution
- Step 1: Write the proportion equation
99,194.22 : 136,887.84 = 53,872.02 : x - Step 2: Convert to fraction form
99,194.22/136,887.84 = 53,872.02/x - Step 3: Cross multiply
99,194.22x = 136,887.84 × 53,872.02 - Step 4: Simplify right side
99,194.22x = 7,374,424,454.24 - Step 5: Solve for x
x = 7,374,424,454.24/99,194.22 - Step 6: Final answer
x = 74,343.29
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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.