Finding the Fourth Proportional to 102,648.97, 141,718.21 and 96,295.74
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Solution
The fourth proportional to 102,648.97, 141,718.21 and 96,295.74 is: 132,946.87
Step by Step Solution
- Step 1: Write the proportion equation
102,648.97 : 141,718.21 = 96,295.74 : x - Step 2: Convert to fraction form
102,648.97/141,718.21 = 96,295.74/x - Step 3: Cross multiply
102,648.97x = 141,718.21 × 96,295.74 - Step 4: Simplify right side
102,648.97x = 13,646,859,131.24 - Step 5: Solve for x
x = 13,646,859,131.24/102,648.97 - Step 6: Final answer
x = 132,946.87
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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.