Finding the Fourth Proportional to 126,291.84, 174,283.56 and 68,935.20
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Solution
The fourth proportional to 126,291.84, 174,283.56 and 68,935.20 is: 95,131.02
Step by Step Solution
- Step 1: Write the proportion equation
126,291.84 : 174,283.56 = 68,935.20 : x - Step 2: Convert to fraction form
126,291.84/174,283.56 = 68,935.20/x - Step 3: Cross multiply
126,291.84x = 174,283.56 × 68,935.20 - Step 4: Simplify right side
126,291.84x = 12,014,272,065.31 - Step 5: Solve for x
x = 12,014,272,065.31/126,291.84 - Step 6: Final answer
x = 95,131.02
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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.