Finding the Fourth Proportional to 117,853.24, 162,634.35 and 64,137.10
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Solution
The fourth proportional to 117,853.24, 162,634.35 and 64,137.10 is: 88,507.50
Step by Step Solution
- Step 1: Write the proportion equation
117,853.24 : 162,634.35 = 64,137.10 : x - Step 2: Convert to fraction form
117,853.24/162,634.35 = 64,137.10/x - Step 3: Cross multiply
117,853.24x = 162,634.35 × 64,137.10 - Step 4: Simplify right side
117,853.24x = 10,430,895,002.46 - Step 5: Solve for x
x = 10,430,895,002.46/117,853.24 - Step 6: Final answer
x = 88,507.50
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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.