Finding the Fourth Proportional to 111,282.99, 153,485.76 and 95,786.99
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Solution
The fourth proportional to 111,282.99, 153,485.76 and 95,786.99 is: 132,113.08
Step by Step Solution
- Step 1: Write the proportion equation
111,282.99 : 153,485.76 = 95,786.99 : x - Step 2: Convert to fraction form
111,282.99/153,485.76 = 95,786.99/x - Step 3: Cross multiply
111,282.99x = 153,485.76 × 95,786.99 - Step 4: Simplify right side
111,282.99x = 14,701,938,407.20 - Step 5: Solve for x
x = 14,701,938,407.20/111,282.99 - Step 6: Final answer
x = 132,113.08
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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.