Finding the Fourth Proportional to 106,225.87, 159,437.36 and 53,672.26
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Solution
The fourth proportional to 106,225.87, 159,437.36 and 53,672.26 is: 80,558.19
Step by Step Solution
- Step 1: Write the proportion equation
106,225.87 : 159,437.36 = 53,672.26 : x - Step 2: Convert to fraction form
106,225.87/159,437.36 = 53,672.26/x - Step 3: Cross multiply
106,225.87x = 159,437.36 × 53,672.26 - Step 4: Simplify right side
106,225.87x = 8,557,363,439.63 - Step 5: Solve for x
x = 8,557,363,439.63/106,225.87 - Step 6: Final answer
x = 80,558.19
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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.