Finding the Fourth Proportional to 122,514.94, 169,079.02 and 68,073.68
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Solution
The fourth proportional to 122,514.94, 169,079.02 and 68,073.68 is: 93,946.35
Step by Step Solution
- Step 1: Write the proportion equation
122,514.94 : 169,079.02 = 68,073.68 : x - Step 2: Convert to fraction form
122,514.94/169,079.02 = 68,073.68/x - Step 3: Cross multiply
122,514.94x = 169,079.02 × 68,073.68 - Step 4: Simplify right side
122,514.94x = 11,509,831,102.19 - Step 5: Solve for x
x = 11,509,831,102.19/122,514.94 - Step 6: Final answer
x = 93,946.35
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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.