Finding the Fourth Proportional to 111,110.84, 153,173.58 and 79,224.44
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Solution
The fourth proportional to 111,110.84, 153,173.58 and 79,224.44 is: 109,216.09
Step by Step Solution
- Step 1: Write the proportion equation
111,110.84 : 153,173.58 = 79,224.44 : x - Step 2: Convert to fraction form
111,110.84/153,173.58 = 79,224.44/x - Step 3: Cross multiply
111,110.84x = 153,173.58 × 79,224.44 - Step 4: Simplify right side
111,110.84x = 12,135,091,098.30 - Step 5: Solve for x
x = 12,135,091,098.30/111,110.84 - Step 6: Final answer
x = 109,216.09
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1.5x scale
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.