Finding the Fourth Proportional to 108,574.20, 162,861.30 and 97,687.80
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Solution
The fourth proportional to 108,574.20, 162,861.30 and 97,687.80 is: 146,531.70
Step by Step Solution
- Step 1: Write the proportion equation
108,574.20 : 162,861.30 = 97,687.80 : x - Step 2: Convert to fraction form
108,574.20/162,861.30 = 97,687.80/x - Step 3: Cross multiply
108,574.20x = 162,861.30 × 97,687.80 - Step 4: Simplify right side
108,574.20x = 15,909,562,102.14 - Step 5: Solve for x
x = 15,909,562,102.14/108,574.20 - Step 6: Final answer
x = 146,531.70
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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.