Finding the Fourth Proportional to 121,056.13, 181,613.35 and 37,950.13
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Solution
The fourth proportional to 121,056.13, 181,613.35 and 37,950.13 is: 56,934.33
Step by Step Solution
- Step 1: Write the proportion equation
121,056.13 : 181,613.35 = 37,950.13 : x - Step 2: Convert to fraction form
121,056.13/181,613.35 = 37,950.13/x - Step 3: Cross multiply
121,056.13x = 181,613.35 × 37,950.13 - Step 4: Simplify right side
121,056.13x = 6,892,250,242.24 - Step 5: Solve for x
x = 6,892,250,242.24/121,056.13 - Step 6: Final answer
x = 56,934.33
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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.