Finding the Fourth Proportional to 130,540.65, 195,507.35 and 126,948.99
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Solution
The fourth proportional to 130,540.65, 195,507.35 and 126,948.99 is: 190,128.21
Step by Step Solution
- Step 1: Write the proportion equation
130,540.65 : 195,507.35 = 126,948.99 : x - Step 2: Convert to fraction form
130,540.65/195,507.35 = 126,948.99/x - Step 3: Cross multiply
130,540.65x = 195,507.35 × 126,948.99 - Step 4: Simplify right side
130,540.65x = 24,819,459,007.79 - Step 5: Solve for x
x = 24,819,459,007.79/130,540.65 - Step 6: Final answer
x = 190,128.21
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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.