Finding the Fourth Proportional to 108,165.24, 161,853.14 and 63,813.24
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Solution
The fourth proportional to 108,165.24, 161,853.14 and 63,813.24 is: 95,486.99
Step by Step Solution
- Step 1: Write the proportion equation
108,165.24 : 161,853.14 = 63,813.24 : x - Step 2: Convert to fraction form
108,165.24/161,853.14 = 63,813.24/x - Step 3: Cross multiply
108,165.24x = 161,853.14 × 63,813.24 - Step 4: Simplify right side
108,165.24x = 10,328,373,267.57 - Step 5: Solve for x
x = 10,328,373,267.57/108,165.24 - Step 6: Final answer
x = 95,486.99
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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.