Finding the Fourth Proportional to 168,013.80, 252,020.70 and 97,057.80
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Solution
The fourth proportional to 168,013.80, 252,020.70 and 97,057.80 is: 145,586.70
Step by Step Solution
- Step 1: Write the proportion equation
168,013.80 : 252,020.70 = 97,057.80 : x - Step 2: Convert to fraction form
168,013.80/252,020.70 = 97,057.80/x - Step 3: Cross multiply
168,013.80x = 252,020.70 × 97,057.80 - Step 4: Simplify right side
168,013.80x = 24,460,574,696.46 - Step 5: Solve for x
x = 24,460,574,696.46/168,013.80 - Step 6: Final answer
x = 145,586.70
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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.