Finding the Fourth Proportional to 134,767.80, 202,151.70 and 120,989.70
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Solution
The fourth proportional to 134,767.80, 202,151.70 and 120,989.70 is: 181,484.55
Step by Step Solution
- Step 1: Write the proportion equation
134,767.80 : 202,151.70 = 120,989.70 : x - Step 2: Convert to fraction form
134,767.80/202,151.70 = 120,989.70/x - Step 3: Cross multiply
134,767.80x = 202,151.70 × 120,989.70 - Step 4: Simplify right side
134,767.80x = 24,458,273,537.49 - Step 5: Solve for x
x = 24,458,273,537.49/134,767.80 - Step 6: Final answer
x = 181,484.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.