Finding the Fourth Proportional to 108,488.60, 162,756.14 and 55,187.99
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Solution
The fourth proportional to 108,488.60, 162,756.14 and 55,187.99 is: 82,793.80
Step by Step Solution
- Step 1: Write the proportion equation
108,488.60 : 162,756.14 = 55,187.99 : x - Step 2: Convert to fraction form
108,488.60/162,756.14 = 55,187.99/x - Step 3: Cross multiply
108,488.60x = 162,756.14 × 55,187.99 - Step 4: Simplify right side
108,488.60x = 8,982,183,137.04 - Step 5: Solve for x
x = 8,982,183,137.04/108,488.60 - Step 6: Final answer
x = 82,793.80
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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.