Finding the Fourth Proportional to 106,329.20, 159,493.80 and 96,487.70
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Solution
The fourth proportional to 106,329.20, 159,493.80 and 96,487.70 is: 144,731.55
Step by Step Solution
- Step 1: Write the proportion equation
106,329.20 : 159,493.80 = 96,487.70 : x - Step 2: Convert to fraction form
106,329.20/159,493.80 = 96,487.70/x - Step 3: Cross multiply
106,329.20x = 159,493.80 × 96,487.70 - Step 4: Simplify right side
106,329.20x = 15,389,189,926.26 - Step 5: Solve for x
x = 15,389,189,926.26/106,329.20 - Step 6: Final answer
x = 144,731.55
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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.