Finding the Fourth Proportional to 100,539.36, 151,043.76 and 94,864.68
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Solution
The fourth proportional to 100,539.36, 151,043.76 and 94,864.68 is: 142,518.49
Step by Step Solution
- Step 1: Write the proportion equation
100,539.36 : 151,043.76 = 94,864.68 : x - Step 2: Convert to fraction form
100,539.36/151,043.76 = 94,864.68/x - Step 3: Cross multiply
100,539.36x = 151,043.76 × 94,864.68 - Step 4: Simplify right side
100,539.36x = 14,328,717,958.40 - Step 5: Solve for x
x = 14,328,717,958.40/100,539.36 - Step 6: Final answer
x = 142,518.49
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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.