Finding the Fourth Proportional to 120,226.44, 165,924.96 and 69,240.99
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Solution
The fourth proportional to 120,226.44, 165,924.96 and 69,240.99 is: 95,559.75
Step by Step Solution
- Step 1: Write the proportion equation
120,226.44 : 165,924.96 = 69,240.99 : x - Step 2: Convert to fraction form
120,226.44/165,924.96 = 69,240.99/x - Step 3: Cross multiply
120,226.44x = 165,924.96 × 69,240.99 - Step 4: Simplify right side
120,226.44x = 11,488,808,496.11 - Step 5: Solve for x
x = 11,488,808,496.11/120,226.44 - Step 6: Final answer
x = 95,559.75
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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.