Finding the Fourth Proportional to 119,026.99, 164,052.71 and 113,421.44
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Solution
The fourth proportional to 119,026.99, 164,052.71 and 113,421.44 is: 156,326.68
Step by Step Solution
- Step 1: Write the proportion equation
119,026.99 : 164,052.71 = 113,421.44 : x - Step 2: Convert to fraction form
119,026.99/164,052.71 = 113,421.44/x - Step 3: Cross multiply
119,026.99x = 164,052.71 × 113,421.44 - Step 4: Simplify right side
119,026.99x = 18,607,094,872.46 - Step 5: Solve for x
x = 18,607,094,872.46/119,026.99 - Step 6: Final answer
x = 156,326.68
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1.5x scale
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.