Finding the Fourth Proportional to 126,972.48, 190,342.08 and 67,848.96
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Solution
The fourth proportional to 126,972.48, 190,342.08 and 67,848.96 is: 101,711.11
Step by Step Solution
- Step 1: Write the proportion equation
126,972.48 : 190,342.08 = 67,848.96 : x - Step 2: Convert to fraction form
126,972.48/190,342.08 = 67,848.96/x - Step 3: Cross multiply
126,972.48x = 190,342.08 × 67,848.96 - Step 4: Simplify right side
126,972.48x = 12,914,512,172.24 - Step 5: Solve for x
x = 12,914,512,172.24/126,972.48 - Step 6: Final answer
x = 101,711.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.