Finding the Fourth Proportional to 113,175.48, 169,741.35 and 107,555.70
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Solution
The fourth proportional to 113,175.48, 169,741.35 and 107,555.70 is: 161,312.77
Step by Step Solution
- Step 1: Write the proportion equation
113,175.48 : 169,741.35 = 107,555.70 : x - Step 2: Convert to fraction form
113,175.48/169,741.35 = 107,555.70/x - Step 3: Cross multiply
113,175.48x = 169,741.35 × 107,555.70 - Step 4: Simplify right side
113,175.48x = 18,256,649,718.20 - Step 5: Solve for x
x = 18,256,649,718.20/113,175.48 - Step 6: Final answer
x = 161,312.77
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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.