Finding the Fourth Proportional to 117,051.18, 161,530.11 and 63,337.16
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Solution
The fourth proportional to 117,051.18, 161,530.11 and 63,337.16 is: 87,404.99
Step by Step Solution
- Step 1: Write the proportion equation
117,051.18 : 161,530.11 = 63,337.16 : x - Step 2: Convert to fraction form
117,051.18/161,530.11 = 63,337.16/x - Step 3: Cross multiply
117,051.18x = 161,530.11 × 63,337.16 - Step 4: Simplify right side
117,051.18x = 10,230,857,614.24 - Step 5: Solve for x
x = 10,230,857,614.24/117,051.18 - Step 6: Final answer
x = 87,404.99
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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.