Finding the Fourth Proportional to 111,924.14, 154,456.35 and 61,624.94
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Solution
The fourth proportional to 111,924.14, 154,456.35 and 61,624.94 is: 85,042.99
Step by Step Solution
- Step 1: Write the proportion equation
111,924.14 : 154,456.35 = 61,624.94 : x - Step 2: Convert to fraction form
111,924.14/154,456.35 = 61,624.94/x - Step 3: Cross multiply
111,924.14x = 154,456.35 × 61,624.94 - Step 4: Simplify right side
111,924.14x = 9,518,363,301.37 - Step 5: Solve for x
x = 9,518,363,301.37/111,924.14 - Step 6: Final answer
x = 85,042.99
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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.