Finding the Fourth Proportional to 126,916.32, 175,144.08 and 70,327.68
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Solution
The fourth proportional to 126,916.32, 175,144.08 and 70,327.68 is: 97,051.95
Step by Step Solution
- Step 1: Write the proportion equation
126,916.32 : 175,144.08 = 70,327.68 : x - Step 2: Convert to fraction form
126,916.32/175,144.08 = 70,327.68/x - Step 3: Cross multiply
126,916.32x = 175,144.08 × 70,327.68 - Step 4: Simplify right side
126,916.32x = 12,317,476,812.13 - Step 5: Solve for x
x = 12,317,476,812.13/126,916.32 - Step 6: Final answer
x = 97,051.95
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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.