Finding the Fourth Proportional to 117,063.53, 175,489.92 and 42,130.99
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Solution
The fourth proportional to 117,063.53, 175,489.92 and 42,130.99 is: 63,158.56
Step by Step Solution
- Step 1: Write the proportion equation
117,063.53 : 175,489.92 = 42,130.99 : x - Step 2: Convert to fraction form
117,063.53/175,489.92 = 42,130.99/x - Step 3: Cross multiply
117,063.53x = 175,489.92 × 42,130.99 - Step 4: Simplify right side
117,063.53x = 7,393,564,064.62 - Step 5: Solve for x
x = 7,393,564,064.62/117,063.53 - Step 6: Final answer
x = 63,158.56
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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.