Finding the Fourth Proportional to 119,736.18, 179,604.27 and 53,160.66
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Solution
The fourth proportional to 119,736.18, 179,604.27 and 53,160.66 is: 79,740.99
Step by Step Solution
- Step 1: Write the proportion equation
119,736.18 : 179,604.27 = 53,160.66 : x - Step 2: Convert to fraction form
119,736.18/179,604.27 = 53,160.66/x - Step 3: Cross multiply
119,736.18x = 179,604.27 × 53,160.66 - Step 4: Simplify right side
119,736.18x = 9,547,881,532.02 - Step 5: Solve for x
x = 9,547,881,532.02/119,736.18 - Step 6: Final answer
x = 79,740.99
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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.