Finding the Fourth Proportional to 107,473.34, 161,293.98 and 74,425.08
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Solution
The fourth proportional to 107,473.34, 161,293.98 and 74,425.08 is: 111,695.77
Step by Step Solution
- Step 1: Write the proportion equation
107,473.34 : 161,293.98 = 74,425.08 : x - Step 2: Convert to fraction form
107,473.34/161,293.98 = 74,425.08/x - Step 3: Cross multiply
107,473.34x = 161,293.98 × 74,425.08 - Step 4: Simplify right side
107,473.34x = 12,004,317,365.02 - Step 5: Solve for x
x = 12,004,317,365.02/107,473.34 - Step 6: Final answer
x = 111,695.77
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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.