Finding the Fourth Proportional to 126,135.25, 174,068.01 and 68,774.11
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Solution
The fourth proportional to 126,135.25, 174,068.01 and 68,774.11 is: 94,909.02
Step by Step Solution
- Step 1: Write the proportion equation
126,135.25 : 174,068.01 = 68,774.11 : x - Step 2: Convert to fraction form
126,135.25/174,068.01 = 68,774.11/x - Step 3: Cross multiply
126,135.25x = 174,068.01 × 68,774.11 - Step 4: Simplify right side
126,135.25x = 11,971,372,467.22 - Step 5: Solve for x
x = 11,971,372,467.22/126,135.25 - Step 6: Final answer
x = 94,909.02
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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.