Finding the Fourth Proportional to 107,532.36, 160,965.63 and 98,346.96
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Solution
The fourth proportional to 107,532.36, 160,965.63 and 98,346.96 is: 147,215.97
Step by Step Solution
- Step 1: Write the proportion equation
107,532.36 : 160,965.63 = 98,346.96 : x - Step 2: Convert to fraction form
107,532.36/160,965.63 = 98,346.96/x - Step 3: Cross multiply
107,532.36x = 160,965.63 × 98,346.96 - Step 4: Simplify right side
107,532.36x = 15,830,480,374.98 - Step 5: Solve for x
x = 15,830,480,374.98/107,532.36 - Step 6: Final answer
x = 147,215.97
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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.