Finding the Fourth Proportional to 130,700.23, 195,734.58 and 74,369.68
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Solution
The fourth proportional to 130,700.23, 195,734.58 and 74,369.68 is: 111,374.85
Step by Step Solution
- Step 1: Write the proportion equation
130,700.23 : 195,734.58 = 74,369.68 : x - Step 2: Convert to fraction form
130,700.23/195,734.58 = 74,369.68/x - Step 3: Cross multiply
130,700.23x = 195,734.58 × 74,369.68 - Step 4: Simplify right side
130,700.23x = 14,556,718,079.53 - Step 5: Solve for x
x = 14,556,718,079.53/130,700.23 - Step 6: Final answer
x = 111,374.85
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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.