Finding the Fourth Proportional to 107,864.84, 148,854.26 and 60,121.28
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Solution
The fourth proportional to 107,864.84, 148,854.26 and 60,121.28 is: 82,967.80
Step by Step Solution
- Step 1: Write the proportion equation
107,864.84 : 148,854.26 = 60,121.28 : x - Step 2: Convert to fraction form
107,864.84/148,854.26 = 60,121.28/x - Step 3: Cross multiply
107,864.84x = 148,854.26 × 60,121.28 - Step 4: Simplify right side
107,864.84x = 8,949,308,644.65 - Step 5: Solve for x
x = 8,949,308,644.65/107,864.84 - Step 6: Final answer
x = 82,967.80
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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.