Finding the Fourth Proportional to 114,318.04, 157,706.48 and 74,044.75
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Solution
The fourth proportional to 114,318.04, 157,706.48 and 74,044.75 is: 102,147.80
Step by Step Solution
- Step 1: Write the proportion equation
114,318.04 : 157,706.48 = 74,044.75 : x - Step 2: Convert to fraction form
114,318.04/157,706.48 = 74,044.75/x - Step 3: Cross multiply
114,318.04x = 157,706.48 × 74,044.75 - Step 4: Simplify right side
114,318.04x = 11,677,336,514.76 - Step 5: Solve for x
x = 11,677,336,514.76/114,318.04 - Step 6: Final answer
x = 102,147.80
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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.