Finding the Fourth Proportional to 110,691.84, 166,126.24 and 57,398.96
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Solution
The fourth proportional to 110,691.84, 166,126.24 and 57,398.96 is: 86,144.32
Step by Step Solution
- Step 1: Write the proportion equation
110,691.84 : 166,126.24 = 57,398.96 : x - Step 2: Convert to fraction form
110,691.84/166,126.24 = 57,398.96/x - Step 3: Cross multiply
110,691.84x = 166,126.24 × 57,398.96 - Step 4: Simplify right side
110,691.84x = 9,535,473,404.71 - Step 5: Solve for x
x = 9,535,473,404.71/110,691.84 - Step 6: Final answer
x = 86,144.32
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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.