Finding the Fourth Proportional to 117,051.96, 161,531.19 and 63,337.93
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Solution
The fourth proportional to 117,051.96, 161,531.19 and 63,337.93 is: 87,406.06
Step by Step Solution
- Step 1: Write the proportion equation
117,051.96 : 161,531.19 = 63,337.93 : x - Step 2: Convert to fraction form
117,051.96/161,531.19 = 63,337.93/x - Step 3: Cross multiply
117,051.96x = 161,531.19 × 63,337.93 - Step 4: Simplify right side
117,051.96x = 10,231,051,205.04 - Step 5: Solve for x
x = 10,231,051,205.04/117,051.96 - Step 6: Final answer
x = 87,406.06
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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.