Finding the Fourth Proportional to 117,508.68, 162,161.82 and 67,207.68
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Solution
The fourth proportional to 117,508.68, 162,161.82 and 67,207.68 is: 92,746.51
Step by Step Solution
- Step 1: Write the proportion equation
117,508.68 : 162,161.82 = 67,207.68 : x - Step 2: Convert to fraction form
117,508.68/162,161.82 = 67,207.68/x - Step 3: Cross multiply
117,508.68x = 162,161.82 × 67,207.68 - Step 4: Simplify right side
117,508.68x = 10,898,519,706.78 - Step 5: Solve for x
x = 10,898,519,706.78/117,508.68 - Step 6: Final answer
x = 92,746.51
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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.