Finding the Fourth Proportional to 106,872.60, 160,539.30 and 102,955.80
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Solution
The fourth proportional to 106,872.60, 160,539.30 and 102,955.80 is: 154,655.66
Step by Step Solution
- Step 1: Write the proportion equation
106,872.60 : 160,539.30 = 102,955.80 : x - Step 2: Convert to fraction form
106,872.60/160,539.30 = 102,955.80/x - Step 3: Cross multiply
106,872.60x = 160,539.30 × 102,955.80 - Step 4: Simplify right side
106,872.60x = 16,528,452,062.94 - Step 5: Solve for x
x = 16,528,452,062.94/106,872.60 - Step 6: Final answer
x = 154,655.66
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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.