Finding the Fourth Proportional to 130,695.22, 195,727.06 and 74,364.70
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Solution
The fourth proportional to 130,695.22, 195,727.06 and 74,364.70 is: 111,367.38
Step by Step Solution
- Step 1: Write the proportion equation
130,695.22 : 195,727.06 = 74,364.70 : x - Step 2: Convert to fraction form
130,695.22/195,727.06 = 74,364.70/x - Step 3: Cross multiply
130,695.22x = 195,727.06 × 74,364.70 - Step 4: Simplify right side
130,695.22x = 14,555,184,098.78 - Step 5: Solve for x
x = 14,555,184,098.78/130,695.22 - Step 6: Final answer
x = 111,367.38
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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.