Finding the Fourth Proportional to 107,345.24, 160,768.70 and 103,608.65
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Solution
The fourth proportional to 107,345.24, 160,768.70 and 103,608.65 is: 155,172.49
Step by Step Solution
- Step 1: Write the proportion equation
107,345.24 : 160,768.70 = 103,608.65 : x - Step 2: Convert to fraction form
107,345.24/160,768.70 = 103,608.65/x - Step 3: Cross multiply
107,345.24x = 160,768.70 × 103,608.65 - Step 4: Simplify right side
107,345.24x = 16,657,027,451.21 - Step 5: Solve for x
x = 16,657,027,451.21/107,345.24 - Step 6: Final answer
x = 155,172.49
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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.