Finding the Fourth Proportional to 117,665.16, 177,138.00 and 107,202.41
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Solution
The fourth proportional to 117,665.16, 177,138.00 and 107,202.41 is: 161,386.95
Step by Step Solution
- Step 1: Write the proportion equation
117,665.16 : 177,138.00 = 107,202.41 : x - Step 2: Convert to fraction form
117,665.16/177,138.00 = 107,202.41/x - Step 3: Cross multiply
117,665.16x = 177,138.00 × 107,202.41 - Step 4: Simplify right side
117,665.16x = 18,989,620,930.11 - Step 5: Solve for x
x = 18,989,620,930.11/117,665.16 - Step 6: Final answer
x = 161,386.95
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.