Finding the Fourth Proportional to 134,640.26, 185,802.53 and 74,211.02
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Solution
The fourth proportional to 134,640.26, 185,802.53 and 74,211.02 is: 102,410.63
Step by Step Solution
- Step 1: Write the proportion equation
134,640.26 : 185,802.53 = 74,211.02 : x - Step 2: Convert to fraction form
134,640.26/185,802.53 = 74,211.02/x - Step 3: Cross multiply
134,640.26x = 185,802.53 × 74,211.02 - Step 4: Simplify right side
134,640.26x = 13,788,593,969.81 - Step 5: Solve for x
x = 13,788,593,969.81/134,640.26 - Step 6: Final answer
x = 102,410.63
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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.