Finding the Fourth Proportional to 118,806.97, 163,953.62 and 65,094.02
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Solution
The fourth proportional to 118,806.97, 163,953.62 and 65,094.02 is: 89,829.75
Step by Step Solution
- Step 1: Write the proportion equation
118,806.97 : 163,953.62 = 65,094.02 : x - Step 2: Convert to fraction form
118,806.97/163,953.62 = 65,094.02/x - Step 3: Cross multiply
118,806.97x = 163,953.62 × 65,094.02 - Step 4: Simplify right side
118,806.97x = 10,672,399,893.88 - Step 5: Solve for x
x = 10,672,399,893.88/118,806.97 - Step 6: Final answer
x = 89,829.75
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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.