Finding the Fourth Proportional to 118,156.68, 177,122.82 and 47,122.92
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Solution
The fourth proportional to 118,156.68, 177,122.82 and 47,122.92 is: 70,639.63
Step by Step Solution
- Step 1: Write the proportion equation
118,156.68 : 177,122.82 = 47,122.92 : x - Step 2: Convert to fraction form
118,156.68/177,122.82 = 47,122.92/x - Step 3: Cross multiply
118,156.68x = 177,122.82 × 47,122.92 - Step 4: Simplify right side
118,156.68x = 8,346,544,477.03 - Step 5: Solve for x
x = 8,346,544,477.03/118,156.68 - Step 6: Final answer
x = 70,639.63
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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.