Finding the Fourth Proportional to 117,733.96, 162,508.44 and 80,030.08
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Solution
The fourth proportional to 117,733.96, 162,508.44 and 80,030.08 is: 110,465.69
Step by Step Solution
- Step 1: Write the proportion equation
117,733.96 : 162,508.44 = 80,030.08 : x - Step 2: Convert to fraction form
117,733.96/162,508.44 = 80,030.08/x - Step 3: Cross multiply
117,733.96x = 162,508.44 × 80,030.08 - Step 4: Simplify right side
117,733.96x = 13,005,563,453.88 - Step 5: Solve for x
x = 13,005,563,453.88/117,733.96 - Step 6: Final answer
x = 110,465.69
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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.