Finding the Fourth Proportional to 110,132.48, 151,948.69 and 61,727.70
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Solution
The fourth proportional to 110,132.48, 151,948.69 and 61,727.70 is: 85,165.09
Step by Step Solution
- Step 1: Write the proportion equation
110,132.48 : 151,948.69 = 61,727.70 : x - Step 2: Convert to fraction form
110,132.48/151,948.69 = 61,727.70/x - Step 3: Cross multiply
110,132.48x = 151,948.69 × 61,727.70 - Step 4: Simplify right side
110,132.48x = 9,379,442,712.49 - Step 5: Solve for x
x = 9,379,442,712.49/110,132.48 - Step 6: Final answer
x = 85,165.09
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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.