Finding the Fourth Proportional to 120,027.24, 179,979.21 and 70,204.68
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Solution
The fourth proportional to 120,027.24, 179,979.21 and 70,204.68 is: 105,270.96
Step by Step Solution
- Step 1: Write the proportion equation
120,027.24 : 179,979.21 = 70,204.68 : x - Step 2: Convert to fraction form
120,027.24/179,979.21 = 70,204.68/x - Step 3: Cross multiply
120,027.24x = 179,979.21 × 70,204.68 - Step 4: Simplify right side
120,027.24x = 12,635,382,844.70 - Step 5: Solve for x
x = 12,635,382,844.70/120,027.24 - Step 6: Final answer
x = 105,270.96
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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.