Finding the Fourth Proportional to 118,911.68, 164,114.76 and 73,604.08
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Solution
The fourth proportional to 118,911.68, 164,114.76 and 73,604.08 is: 101,583.93
Step by Step Solution
- Step 1: Write the proportion equation
118,911.68 : 164,114.76 = 73,604.08 : x - Step 2: Convert to fraction form
118,911.68/164,114.76 = 73,604.08/x - Step 3: Cross multiply
118,911.68x = 164,114.76 × 73,604.08 - Step 4: Simplify right side
118,911.68x = 12,079,515,924.22 - Step 5: Solve for x
x = 12,079,515,924.22/118,911.68 - Step 6: Final answer
x = 101,583.93
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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.