Finding the Fourth Proportional to 121,193.11, 167,244.50 and 70,900.63
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Solution
The fourth proportional to 121,193.11, 167,244.50 and 70,900.63 is: 97,841.70
Step by Step Solution
- Step 1: Write the proportion equation
121,193.11 : 167,244.50 = 70,900.63 : x - Step 2: Convert to fraction form
121,193.11/167,244.50 = 70,900.63/x - Step 3: Cross multiply
121,193.11x = 167,244.50 × 70,900.63 - Step 4: Simplify right side
121,193.11x = 11,857,740,059.53 - Step 5: Solve for x
x = 11,857,740,059.53/121,193.11 - Step 6: Final answer
x = 97,841.70
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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.