Finding the Fourth Proportional to 118,708.08, 163,817.62 and 64,998.08
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Solution
The fourth proportional to 118,708.08, 163,817.62 and 64,998.08 is: 89,697.61
Step by Step Solution
- Step 1: Write the proportion equation
118,708.08 : 163,817.62 = 64,998.08 : x - Step 2: Convert to fraction form
118,708.08/163,817.62 = 64,998.08/x - Step 3: Cross multiply
118,708.08x = 163,817.62 × 64,998.08 - Step 4: Simplify right side
118,708.08x = 10,647,830,770.17 - Step 5: Solve for x
x = 10,647,830,770.17/118,708.08 - Step 6: Final answer
x = 89,697.61
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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.