Finding the Fourth Proportional to 126,251.06, 174,230.08 and 69,666.08
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Solution
The fourth proportional to 126,251.06, 174,230.08 and 69,666.08 is: 96,141.19
Step by Step Solution
- Step 1: Write the proportion equation
126,251.06 : 174,230.08 = 69,666.08 : x - Step 2: Convert to fraction form
126,251.06/174,230.08 = 69,666.08/x - Step 3: Cross multiply
126,251.06x = 174,230.08 × 69,666.08 - Step 4: Simplify right side
126,251.06x = 12,137,926,691.69 - Step 5: Solve for x
x = 12,137,926,691.69/126,251.06 - Step 6: Final answer
x = 96,141.19
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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.