Finding the Fourth Proportional to 126,292.84, 174,306.68 and 75,308.84
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Solution
The fourth proportional to 126,292.84, 174,306.68 and 75,308.84 is: 103,939.65
Step by Step Solution
- Step 1: Write the proportion equation
126,292.84 : 174,306.68 = 75,308.84 : x - Step 2: Convert to fraction form
126,292.84/174,306.68 = 75,308.84/x - Step 3: Cross multiply
126,292.84x = 174,306.68 × 75,308.84 - Step 4: Simplify right side
126,292.84x = 13,126,833,875.05 - Step 5: Solve for x
x = 13,126,833,875.05/126,292.84 - Step 6: Final answer
x = 103,939.65
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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.