Finding the Fourth Proportional to 134,948.54, 186,220.68 and 74,517.68
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Solution
The fourth proportional to 134,948.54, 186,220.68 and 74,517.68 is: 102,829.81
Step by Step Solution
- Step 1: Write the proportion equation
134,948.54 : 186,220.68 = 74,517.68 : x - Step 2: Convert to fraction form
134,948.54/186,220.68 = 74,517.68/x - Step 3: Cross multiply
134,948.54x = 186,220.68 × 74,517.68 - Step 4: Simplify right side
134,948.54x = 13,876,733,041.62 - Step 5: Solve for x
x = 13,876,733,041.62/134,948.54 - Step 6: Final answer
x = 102,829.81
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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.