Finding the Fourth Proportional to 111,797.55, 154,284.08 and 60,813.99
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Solution
The fourth proportional to 111,797.55, 154,284.08 and 60,813.99 is: 83,925.19
Step by Step Solution
- Step 1: Write the proportion equation
111,797.55 : 154,284.08 = 60,813.99 : x - Step 2: Convert to fraction form
111,797.55/154,284.08 = 60,813.99/x - Step 3: Cross multiply
111,797.55x = 154,284.08 × 60,813.99 - Step 4: Simplify right side
111,797.55x = 9,382,630,194.21 - Step 5: Solve for x
x = 9,382,630,194.21/111,797.55 - Step 6: Final answer
x = 83,925.19
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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.