Finding the Fourth Proportional to 126,112.60, 174,030.09 and 68,750.68
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Solution
The fourth proportional to 126,112.60, 174,030.09 and 68,750.68 is: 94,873.05
Step by Step Solution
- Step 1: Write the proportion equation
126,112.60 : 174,030.09 = 68,750.68 : x - Step 2: Convert to fraction form
126,112.60/174,030.09 = 68,750.68/x - Step 3: Cross multiply
126,112.60x = 174,030.09 × 68,750.68 - Step 4: Simplify right side
126,112.60x = 11,964,687,027.96 - Step 5: Solve for x
x = 11,964,687,027.96/126,112.60 - Step 6: Final answer
x = 94,873.05
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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.