Finding the Fourth Proportional to 130,894.96, 180,615.36 and 73,523.28
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Solution
The fourth proportional to 130,894.96, 180,615.36 and 73,523.28 is: 101,451.07
Step by Step Solution
- Step 1: Write the proportion equation
130,894.96 : 180,615.36 = 73,523.28 : x - Step 2: Convert to fraction form
130,894.96/180,615.36 = 73,523.28/x - Step 3: Cross multiply
130,894.96x = 180,615.36 × 73,523.28 - Step 4: Simplify right side
130,894.96x = 13,279,433,685.58 - Step 5: Solve for x
x = 13,279,433,685.58/130,894.96 - Step 6: Final answer
x = 101,451.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.