Finding the Fourth Proportional to 127,090.92, 175,383.84 and 68,946.80
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Solution
The fourth proportional to 127,090.92, 175,383.84 and 68,946.80 is: 95,145.70
Step by Step Solution
- Step 1: Write the proportion equation
127,090.92 : 175,383.84 = 68,946.80 : x - Step 2: Convert to fraction form
127,090.92/175,383.84 = 68,946.80/x - Step 3: Cross multiply
127,090.92x = 175,383.84 × 68,946.80 - Step 4: Simplify right side
127,090.92x = 12,092,154,539.71 - Step 5: Solve for x
x = 12,092,154,539.71/127,090.92 - Step 6: Final answer
x = 95,145.70
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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.