Finding the Fourth Proportional to 130,293.10, 195,468.33 and 74,159.62
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Solution
The fourth proportional to 130,293.10, 195,468.33 and 74,159.62 is: 111,255.75
Step by Step Solution
- Step 1: Write the proportion equation
130,293.10 : 195,468.33 = 74,159.62 : x - Step 2: Convert to fraction form
130,293.10/195,468.33 = 74,159.62/x - Step 3: Cross multiply
130,293.10x = 195,468.33 × 74,159.62 - Step 4: Simplify right side
130,293.10x = 14,495,857,074.83 - Step 5: Solve for x
x = 14,495,857,074.83/130,293.10 - Step 6: Final answer
x = 111,255.75
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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.