Finding the Fourth Proportional to 126,133.68, 174,060.88 and 69,545.12
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Solution
The fourth proportional to 126,133.68, 174,060.88 and 69,545.12 is: 95,970.28
Step by Step Solution
- Step 1: Write the proportion equation
126,133.68 : 174,060.88 = 69,545.12 : x - Step 2: Convert to fraction form
126,133.68/174,060.88 = 69,545.12/x - Step 3: Cross multiply
126,133.68x = 174,060.88 × 69,545.12 - Step 4: Simplify right side
126,133.68x = 12,105,084,786.91 - Step 5: Solve for x
x = 12,105,084,786.91/126,133.68 - Step 6: Final answer
x = 95,970.28
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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.