Finding the Fourth Proportional to 107,715.24, 161,354.16 and 54,374.31
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Solution
The fourth proportional to 107,715.24, 161,354.16 and 54,374.31 is: 81,451.07
Step by Step Solution
- Step 1: Write the proportion equation
107,715.24 : 161,354.16 = 54,374.31 : x - Step 2: Convert to fraction form
107,715.24/161,354.16 = 54,374.31/x - Step 3: Cross multiply
107,715.24x = 161,354.16 × 54,374.31 - Step 4: Simplify right side
107,715.24x = 8,773,521,115.63 - Step 5: Solve for x
x = 8,773,521,115.63/107,715.24 - Step 6: Final answer
x = 81,451.07
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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.