Finding the Fourth Proportional to 124,181.78, 185,371.11 and 114,930.26
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Solution
The fourth proportional to 124,181.78, 185,371.11 and 114,930.26 is: 171,560.99
Step by Step Solution
- Step 1: Write the proportion equation
124,181.78 : 185,371.11 = 114,930.26 : x - Step 2: Convert to fraction form
124,181.78/185,371.11 = 114,930.26/x - Step 3: Cross multiply
124,181.78x = 185,371.11 × 114,930.26 - Step 4: Simplify right side
124,181.78x = 21,304,749,294.14 - Step 5: Solve for x
x = 21,304,749,294.14/124,181.78 - Step 6: Final answer
x = 171,560.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.