Finding the Fourth Proportional to 135,476.68, 187,049.10 and 84,566.92
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Solution
The fourth proportional to 135,476.68, 187,049.10 and 84,566.92 is: 116,759.33
Step by Step Solution
- Step 1: Write the proportion equation
135,476.68 : 187,049.10 = 84,566.92 : x - Step 2: Convert to fraction form
135,476.68/187,049.10 = 84,566.92/x - Step 3: Cross multiply
135,476.68x = 187,049.10 × 84,566.92 - Step 4: Simplify right side
135,476.68x = 15,818,166,275.77 - Step 5: Solve for x
x = 15,818,166,275.77/135,476.68 - Step 6: Final answer
x = 116,759.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.