Finding the Fourth Proportional to 126,347.95, 174,358.85 and 68,987.09
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Solution
The fourth proportional to 126,347.95, 174,358.85 and 68,987.09 is: 95,201.46
Step by Step Solution
- Step 1: Write the proportion equation
126,347.95 : 174,358.85 = 68,987.09 : x - Step 2: Convert to fraction form
126,347.95/174,358.85 = 68,987.09/x - Step 3: Cross multiply
126,347.95x = 174,358.85 × 68,987.09 - Step 4: Simplify right side
126,347.95x = 12,028,508,805.45 - Step 5: Solve for x
x = 12,028,508,805.45/126,347.95 - Step 6: Final answer
x = 95,201.46
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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.