Finding the Fourth Proportional to 126,699.24, 174,848.58 and 70,115.88
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Solution
The fourth proportional to 126,699.24, 174,848.58 and 70,115.88 is: 96,761.92
Step by Step Solution
- Step 1: Write the proportion equation
126,699.24 : 174,848.58 = 70,115.88 : x - Step 2: Convert to fraction form
126,699.24/174,848.58 = 70,115.88/x - Step 3: Cross multiply
126,699.24x = 174,848.58 × 70,115.88 - Step 4: Simplify right side
126,699.24x = 12,259,662,053.45 - Step 5: Solve for x
x = 12,259,662,053.45/126,699.24 - Step 6: Final answer
x = 96,761.92
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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.