Finding the Fourth Proportional to 130,654.44, 180,304.92 and 97,890.84
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Solution
The fourth proportional to 130,654.44, 180,304.92 and 97,890.84 is: 135,090.70
Step by Step Solution
- Step 1: Write the proportion equation
130,654.44 : 180,304.92 = 97,890.84 : x - Step 2: Convert to fraction form
130,654.44/180,304.92 = 97,890.84/x - Step 3: Cross multiply
130,654.44x = 180,304.92 × 97,890.84 - Step 4: Simplify right side
130,654.44x = 17,650,200,074.93 - Step 5: Solve for x
x = 17,650,200,074.93/130,654.44 - Step 6: Final answer
x = 135,090.70
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1.5x scale
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.