Finding the Fourth Proportional to 126,807.18, 174,994.02 and 70,217.34
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Solution
The fourth proportional to 126,807.18, 174,994.02 and 70,217.34 is: 96,899.99
Step by Step Solution
- Step 1: Write the proportion equation
126,807.18 : 174,994.02 = 70,217.34 : x - Step 2: Convert to fraction form
126,807.18/174,994.02 = 70,217.34/x - Step 3: Cross multiply
126,807.18x = 174,994.02 × 70,217.34 - Step 4: Simplify right side
126,807.18x = 12,287,614,600.31 - Step 5: Solve for x
x = 12,287,614,600.31/126,807.18 - Step 6: Final answer
x = 96,899.99
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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.