Finding the Fourth Proportional to 121,192.60, 167,202.50 and 70,177.48
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Solution
The fourth proportional to 121,192.60, 167,202.50 and 70,177.48 is: 96,819.86
Step by Step Solution
- Step 1: Write the proportion equation
121,192.60 : 167,202.50 = 70,177.48 : x - Step 2: Convert to fraction form
121,192.60/167,202.50 = 70,177.48/x - Step 3: Cross multiply
121,192.60x = 167,202.50 × 70,177.48 - Step 4: Simplify right side
121,192.60x = 11,733,850,099.70 - Step 5: Solve for x
x = 11,733,850,099.70/121,192.60 - Step 6: Final answer
x = 96,819.86
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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.