Finding the Fourth Proportional to 126,415.62, 174,358.98 and 88,177.14
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Solution
The fourth proportional to 126,415.62, 174,358.98 and 88,177.14 is: 121,618.49
Step by Step Solution
- Step 1: Write the proportion equation
126,415.62 : 174,358.98 = 88,177.14 : x - Step 2: Convert to fraction form
126,415.62/174,358.98 = 88,177.14/x - Step 3: Cross multiply
126,415.62x = 174,358.98 × 88,177.14 - Step 4: Simplify right side
126,415.62x = 15,374,476,189.72 - Step 5: Solve for x
x = 15,374,476,189.72/126,415.62 - Step 6: Final answer
x = 121,618.49
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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.