Finding the Fourth Proportional to 134,755.03, 202,176.29 and 64,639.81
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Solution
The fourth proportional to 134,755.03, 202,176.29 and 64,639.81 is: 96,980.70
Step by Step Solution
- Step 1: Write the proportion equation
134,755.03 : 202,176.29 = 64,639.81 : x - Step 2: Convert to fraction form
134,755.03/202,176.29 = 64,639.81/x - Step 3: Cross multiply
134,755.03x = 202,176.29 × 64,639.81 - Step 4: Simplify right side
134,755.03x = 13,068,636,972.10 - Step 5: Solve for x
x = 13,068,636,972.10/134,755.03 - Step 6: Final answer
x = 96,980.70
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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.