Finding the Fourth Proportional to 161,157.49, 241,737.68 and 66,365.17
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Solution
The fourth proportional to 161,157.49, 241,737.68 and 66,365.17 is: 99,548.35
Step by Step Solution
- Step 1: Write the proportion equation
161,157.49 : 241,737.68 = 66,365.17 : x - Step 2: Convert to fraction form
161,157.49/241,737.68 = 66,365.17/x - Step 3: Cross multiply
161,157.49x = 241,737.68 × 66,365.17 - Step 4: Simplify right side
161,157.49x = 16,042,961,896.78 - Step 5: Solve for x
x = 16,042,961,896.78/161,157.49 - Step 6: Final answer
x = 99,548.35
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1.5x scale
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.