Finding the Fourth Proportional to 107,438.29, 161,102.07 and 48,223.21
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Solution
The fourth proportional to 107,438.29, 161,102.07 and 48,223.21 is: 72,309.96
Step by Step Solution
- Step 1: Write the proportion equation
107,438.29 : 161,102.07 = 48,223.21 : x - Step 2: Convert to fraction form
107,438.29/161,102.07 = 48,223.21/x - Step 3: Cross multiply
107,438.29x = 161,102.07 × 48,223.21 - Step 4: Simplify right side
107,438.29x = 7,768,858,953.04 - Step 5: Solve for x
x = 7,768,858,953.04/107,438.29 - Step 6: Final answer
x = 72,309.96
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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.