Finding the Fourth Proportional to 111,895.08, 154,416.26 and 61,595.08
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Solution
The fourth proportional to 111,895.08, 154,416.26 and 61,595.08 is: 85,001.79
Step by Step Solution
- Step 1: Write the proportion equation
111,895.08 : 154,416.26 = 61,595.08 : x - Step 2: Convert to fraction form
111,895.08/154,416.26 = 61,595.08/x - Step 3: Cross multiply
111,895.08x = 154,416.26 × 61,595.08 - Step 4: Simplify right side
111,895.08x = 9,511,281,888.00 - Step 5: Solve for x
x = 9,511,281,888.00/111,895.08 - Step 6: Final answer
x = 85,001.79
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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.