Finding the Fourth Proportional to 110,957.75, 153,121.70 and 60,656.75
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Solution
The fourth proportional to 110,957.75, 153,121.70 and 60,656.75 is: 83,706.32
Step by Step Solution
- Step 1: Write the proportion equation
110,957.75 : 153,121.70 = 60,656.75 : x - Step 2: Convert to fraction form
110,957.75/153,121.70 = 60,656.75/x - Step 3: Cross multiply
110,957.75x = 153,121.70 × 60,656.75 - Step 4: Simplify right side
110,957.75x = 9,287,864,676.48 - Step 5: Solve for x
x = 9,287,864,676.48/110,957.75 - Step 6: Final answer
x = 83,706.32
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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.