Finding the Fourth Proportional to 102,305.73, 141,188.99 and 62,021.19
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Solution
The fourth proportional to 102,305.73, 141,188.99 and 62,021.19 is: 85,593.54
Step by Step Solution
- Step 1: Write the proportion equation
102,305.73 : 141,188.99 = 62,021.19 : x - Step 2: Convert to fraction form
102,305.73/141,188.99 = 62,021.19/x - Step 3: Cross multiply
102,305.73x = 141,188.99 × 62,021.19 - Step 4: Simplify right side
102,305.73x = 8,756,709,174.70 - Step 5: Solve for x
x = 8,756,709,174.70/102,305.73 - Step 6: Final answer
x = 85,593.54
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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.