Finding the Fourth Proportional to 133,693.68, 184,428.26 and 90,658.62
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Solution
The fourth proportional to 133,693.68, 184,428.26 and 90,658.62 is: 125,062.09
Step by Step Solution
- Step 1: Write the proportion equation
133,693.68 : 184,428.26 = 90,658.62 : x - Step 2: Convert to fraction form
133,693.68/184,428.26 = 90,658.62/x - Step 3: Cross multiply
133,693.68x = 184,428.26 × 90,658.62 - Step 4: Simplify right side
133,693.68x = 16,720,011,540.60 - Step 5: Solve for x
x = 16,720,011,540.60/133,693.68 - Step 6: Final answer
x = 125,062.09
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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.