Finding the Fourth Proportional to 118,120.78, 177,006.14 and 97,209.42
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Solution
The fourth proportional to 118,120.78, 177,006.14 and 97,209.42 is: 145,670.09
Step by Step Solution
- Step 1: Write the proportion equation
118,120.78 : 177,006.14 = 97,209.42 : x - Step 2: Convert to fraction form
118,120.78/177,006.14 = 97,209.42/x - Step 3: Cross multiply
118,120.78x = 177,006.14 × 97,209.42 - Step 4: Simplify right side
118,120.78x = 17,206,664,205.84 - Step 5: Solve for x
x = 17,206,664,205.84/118,120.78 - Step 6: Final answer
x = 145,670.09
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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.