Finding the Fourth Proportional to 132,117.68, 182,299.56 and 74,759.60
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Solution
The fourth proportional to 132,117.68, 182,299.56 and 74,759.60 is: 103,155.32
Step by Step Solution
- Step 1: Write the proportion equation
132,117.68 : 182,299.56 = 74,759.60 : x - Step 2: Convert to fraction form
132,117.68/182,299.56 = 74,759.60/x - Step 3: Cross multiply
132,117.68x = 182,299.56 × 74,759.60 - Step 4: Simplify right side
132,117.68x = 13,628,642,185.78 - Step 5: Solve for x
x = 13,628,642,185.78/132,117.68 - Step 6: Final answer
x = 103,155.32
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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.