Finding the Fourth Proportional to 125,252.91, 172,851.44 and 68,660.91
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Solution
The fourth proportional to 125,252.91, 172,851.44 and 68,660.91 is: 94,753.38
Step by Step Solution
- Step 1: Write the proportion equation
125,252.91 : 172,851.44 = 68,660.91 : x - Step 2: Convert to fraction form
125,252.91/172,851.44 = 68,660.91/x - Step 3: Cross multiply
125,252.91x = 172,851.44 × 68,660.91 - Step 4: Simplify right side
125,252.91x = 11,868,136,821.91 - Step 5: Solve for x
x = 11,868,136,821.91/125,252.91 - Step 6: Final answer
x = 94,753.38
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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.