Finding the Fourth Proportional to 121,169.84, 181,747.08 and 58,034.96
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Solution
The fourth proportional to 121,169.84, 181,747.08 and 58,034.96 is: 87,048.76
Step by Step Solution
- Step 1: Write the proportion equation
121,169.84 : 181,747.08 = 58,034.96 : x - Step 2: Convert to fraction form
121,169.84/181,747.08 = 58,034.96/x - Step 3: Cross multiply
121,169.84x = 181,747.08 × 58,034.96 - Step 4: Simplify right side
121,169.84x = 10,547,684,517.92 - Step 5: Solve for x
x = 10,547,684,517.92/121,169.84 - Step 6: Final answer
x = 87,048.76
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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.