Finding the Fourth Proportional to 107,369.97, 160,844.27 and 87,400.93
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Solution
The fourth proportional to 107,369.97, 160,844.27 and 87,400.93 is: 130,929.90
Step by Step Solution
- Step 1: Write the proportion equation
107,369.97 : 160,844.27 = 87,400.93 : x - Step 2: Convert to fraction form
107,369.97/160,844.27 = 87,400.93/x - Step 3: Cross multiply
107,369.97x = 160,844.27 × 87,400.93 - Step 4: Simplify right side
107,369.97x = 14,057,938,346.17 - Step 5: Solve for x
x = 14,057,938,346.17/107,369.97 - Step 6: Final answer
x = 130,929.90
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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.