Finding the Fourth Proportional to 136,793.12, 205,261.93 and 97,068.80
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Solution
The fourth proportional to 136,793.12, 205,261.93 and 97,068.80 is: 145,654.46
Step by Step Solution
- Step 1: Write the proportion equation
136,793.12 : 205,261.93 = 97,068.80 : x - Step 2: Convert to fraction form
136,793.12/205,261.93 = 97,068.80/x - Step 3: Cross multiply
136,793.12x = 205,261.93 × 97,068.80 - Step 4: Simplify right side
136,793.12x = 19,924,528,204.47 - Step 5: Solve for x
x = 19,924,528,204.47/136,793.12 - Step 6: Final answer
x = 145,654.46
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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.