Finding the Fourth Proportional to 141,472.62, 195,156.81 and 107,424.68
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Solution
The fourth proportional to 141,472.62, 195,156.81 and 107,424.68 is: 148,188.79
Step by Step Solution
- Step 1: Write the proportion equation
141,472.62 : 195,156.81 = 107,424.68 : x - Step 2: Convert to fraction form
141,472.62/195,156.81 = 107,424.68/x - Step 3: Cross multiply
141,472.62x = 195,156.81 × 107,424.68 - Step 4: Simplify right side
141,472.62x = 20,964,656,888.29 - Step 5: Solve for x
x = 20,964,656,888.29/141,472.62 - Step 6: Final answer
x = 148,188.79
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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.