Finding the Fourth Proportional to 107,156.68, 160,723.71 and 43,983.45
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Solution
The fourth proportional to 107,156.68, 160,723.71 and 43,983.45 is: 65,970.53
Step by Step Solution
- Step 1: Write the proportion equation
107,156.68 : 160,723.71 = 43,983.45 : x - Step 2: Convert to fraction form
107,156.68/160,723.71 = 43,983.45/x - Step 3: Cross multiply
107,156.68x = 160,723.71 × 43,983.45 - Step 4: Simplify right side
107,156.68x = 7,069,183,262.60 - Step 5: Solve for x
x = 7,069,183,262.60/107,156.68 - Step 6: Final answer
x = 65,970.53
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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.