Finding the Fourth Proportional to 135,576.07, 187,106.18 and 75,165.66
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Solution
The fourth proportional to 135,576.07, 187,106.18 and 75,165.66 is: 103,734.82
Step by Step Solution
- Step 1: Write the proportion equation
135,576.07 : 187,106.18 = 75,165.66 : x - Step 2: Convert to fraction form
135,576.07/187,106.18 = 75,165.66/x - Step 3: Cross multiply
135,576.07x = 187,106.18 × 75,165.66 - Step 4: Simplify right side
135,576.07x = 14,063,959,133.95 - Step 5: Solve for x
x = 14,063,959,133.95/135,576.07 - Step 6: Final answer
x = 103,734.82
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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.