Finding the Fourth Proportional to 126,318.84, 174,319.83 and 69,730.08
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Solution
The fourth proportional to 126,318.84, 174,319.83 and 69,730.08 is: 96,227.42
Step by Step Solution
- Step 1: Write the proportion equation
126,318.84 : 174,319.83 = 69,730.08 : x - Step 2: Convert to fraction form
126,318.84/174,319.83 = 69,730.08/x - Step 3: Cross multiply
126,318.84x = 174,319.83 × 69,730.08 - Step 4: Simplify right side
126,318.84x = 12,155,335,691.49 - Step 5: Solve for x
x = 12,155,335,691.49/126,318.84 - Step 6: Final answer
x = 96,227.42
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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.