Finding the Fourth Proportional to 116,277.68, 160,420.14 and 73,245.62
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Solution
The fourth proportional to 116,277.68, 160,420.14 and 73,245.62 is: 101,051.83
Step by Step Solution
- Step 1: Write the proportion equation
116,277.68 : 160,420.14 = 73,245.62 : x - Step 2: Convert to fraction form
116,277.68/160,420.14 = 73,245.62/x - Step 3: Cross multiply
116,277.68x = 160,420.14 × 73,245.62 - Step 4: Simplify right side
116,277.68x = 11,750,071,812.69 - Step 5: Solve for x
x = 11,750,071,812.69/116,277.68 - Step 6: Final answer
x = 101,051.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.