Finding the Fourth Proportional to 111,082.15, 153,297.44 and 63,334.99
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Solution
The fourth proportional to 111,082.15, 153,297.44 and 63,334.99 is: 87,404.61
Step by Step Solution
- Step 1: Write the proportion equation
111,082.15 : 153,297.44 = 63,334.99 : x - Step 2: Convert to fraction form
111,082.15/153,297.44 = 63,334.99/x - Step 3: Cross multiply
111,082.15x = 153,297.44 × 63,334.99 - Step 4: Simplify right side
111,082.15x = 9,709,091,829.43 - Step 5: Solve for x
x = 9,709,091,829.43/111,082.15 - Step 6: Final answer
x = 87,404.61
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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.