Finding the Fourth Proportional to 119,915.05, 165,483.36 and 66,199.09
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Solution
The fourth proportional to 119,915.05, 165,483.36 and 66,199.09 is: 91,355.07
Step by Step Solution
- Step 1: Write the proportion equation
119,915.05 : 165,483.36 = 66,199.09 : x - Step 2: Convert to fraction form
119,915.05/165,483.36 = 66,199.09/x - Step 3: Cross multiply
119,915.05x = 165,483.36 × 66,199.09 - Step 4: Simplify right side
119,915.05x = 10,954,847,842.14 - Step 5: Solve for x
x = 10,954,847,842.14/119,915.05 - Step 6: Final answer
x = 91,355.07
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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.