Finding the Fourth Proportional to 125,962.71, 173,836.40 and 69,374.07
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Solution
The fourth proportional to 125,962.71, 173,836.40 and 69,374.07 is: 95,740.55
Step by Step Solution
- Step 1: Write the proportion equation
125,962.71 : 173,836.40 = 69,374.07 : x - Step 2: Convert to fraction form
125,962.71/173,836.40 = 69,374.07/x - Step 3: Cross multiply
125,962.71x = 173,836.40 × 69,374.07 - Step 4: Simplify right side
125,962.71x = 12,059,738,582.15 - Step 5: Solve for x
x = 12,059,738,582.15/125,962.71 - Step 6: Final answer
x = 95,740.55
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1.5x scale
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.