Finding the Fourth Proportional to 135,165.30, 202,778.74 and 71,952.11
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Solution
The fourth proportional to 135,165.30, 202,778.74 and 71,952.11 is: 107,944.56
Step by Step Solution
- Step 1: Write the proportion equation
135,165.30 : 202,778.74 = 71,952.11 : x - Step 2: Convert to fraction form
135,165.30/202,778.74 = 71,952.11/x - Step 3: Cross multiply
135,165.30x = 202,778.74 × 71,952.11 - Step 4: Simplify right side
135,165.30x = 14,590,358,206.14 - Step 5: Solve for x
x = 14,590,358,206.14/135,165.30 - Step 6: Final answer
x = 107,944.56
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1.5x scale
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.