Finding the Fourth Proportional to 129,617.47, 195,126.44 and 116,582.62
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Solution
The fourth proportional to 129,617.47, 195,126.44 and 116,582.62 is: 175,503.75
Step by Step Solution
- Step 1: Write the proportion equation
129,617.47 : 195,126.44 = 116,582.62 : x - Step 2: Convert to fraction form
129,617.47/195,126.44 = 116,582.62/x - Step 3: Cross multiply
129,617.47x = 195,126.44 × 116,582.62 - Step 4: Simplify right side
129,617.47x = 22,748,351,336.48 - Step 5: Solve for x
x = 22,748,351,336.48/129,617.47 - Step 6: Final answer
x = 175,503.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.