Finding the Fourth Proportional to 116,815.84, 175,122.68 and 99,161.84
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Solution
The fourth proportional to 116,815.84, 175,122.68 and 99,161.84 is: 148,656.96
Step by Step Solution
- Step 1: Write the proportion equation
116,815.84 : 175,122.68 = 99,161.84 : x - Step 2: Convert to fraction form
116,815.84/175,122.68 = 99,161.84/x - Step 3: Cross multiply
116,815.84x = 175,122.68 × 99,161.84 - Step 4: Simplify right side
116,815.84x = 17,365,487,174.53 - Step 5: Solve for x
x = 17,365,487,174.53/116,815.84 - Step 6: Final answer
x = 148,656.96
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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.