Finding the Fourth Proportional to 132,940.71, 199,188.99 and 93,427.07
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Solution
The fourth proportional to 132,940.71, 199,188.99 and 93,427.07 is: 139,984.53
Step by Step Solution
- Step 1: Write the proportion equation
132,940.71 : 199,188.99 = 93,427.07 : x - Step 2: Convert to fraction form
132,940.71/199,188.99 = 93,427.07/x - Step 3: Cross multiply
132,940.71x = 199,188.99 × 93,427.07 - Step 4: Simplify right side
132,940.71x = 18,609,642,716.01 - Step 5: Solve for x
x = 18,609,642,716.01/132,940.71 - Step 6: Final answer
x = 139,984.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.