Finding the Fourth Proportional to 134,986.20, 202,479.30 and 95,587.80
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Solution
The fourth proportional to 134,986.20, 202,479.30 and 95,587.80 is: 143,381.70
Step by Step Solution
- Step 1: Write the proportion equation
134,986.20 : 202,479.30 = 95,587.80 : x - Step 2: Convert to fraction form
134,986.20/202,479.30 = 95,587.80/x - Step 3: Cross multiply
134,986.20x = 202,479.30 × 95,587.80 - Step 4: Simplify right side
134,986.20x = 19,354,550,832.54 - Step 5: Solve for x
x = 19,354,550,832.54/134,986.20 - Step 6: Final answer
x = 143,381.70
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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.