Finding the Fourth Proportional to 118,138.84, 163,027.99 and 67,157.14
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Solution
The fourth proportional to 118,138.84, 163,027.99 and 67,157.14 is: 92,674.80
Step by Step Solution
- Step 1: Write the proportion equation
118,138.84 : 163,027.99 = 67,157.14 : x - Step 2: Convert to fraction form
118,138.84/163,027.99 = 67,157.14/x - Step 3: Cross multiply
118,138.84x = 163,027.99 × 67,157.14 - Step 4: Simplify right side
118,138.84x = 10,948,493,548.35 - Step 5: Solve for x
x = 10,948,493,548.35/118,138.84 - Step 6: Final answer
x = 92,674.80
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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.