Finding the Fourth Proportional to 126,717.95, 190,322.96 and 93,306.08
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Solution
The fourth proportional to 126,717.95, 190,322.96 and 93,306.08 is: 140,140.28
Step by Step Solution
- Step 1: Write the proportion equation
126,717.95 : 190,322.96 = 93,306.08 : x - Step 2: Convert to fraction form
126,717.95/190,322.96 = 93,306.08/x - Step 3: Cross multiply
126,717.95x = 190,322.96 × 93,306.08 - Step 4: Simplify right side
126,717.95x = 17,758,287,913.45 - Step 5: Solve for x
x = 17,758,287,913.45/126,717.95 - Step 6: Final answer
x = 140,140.28
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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.