Finding the Fourth Proportional to 134,916.71, 186,181.36 and 74,486.26
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Solution
The fourth proportional to 134,916.71, 186,181.36 and 74,486.26 is: 102,788.99
Step by Step Solution
- Step 1: Write the proportion equation
134,916.71 : 186,181.36 = 74,486.26 : x - Step 2: Convert to fraction form
134,916.71/186,181.36 = 74,486.26/x - Step 3: Cross multiply
134,916.71x = 186,181.36 × 74,486.26 - Step 4: Simplify right side
134,916.71x = 13,867,952,536.44 - Step 5: Solve for x
x = 13,867,952,536.44/134,916.71 - Step 6: Final answer
x = 102,788.99
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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.