Finding the Fourth Proportional to 136,796.12, 205,266.41 and 97,071.80
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Solution
The fourth proportional to 136,796.12, 205,266.41 and 97,071.80 is: 145,658.96
Step by Step Solution
- Step 1: Write the proportion equation
136,796.12 : 205,266.41 = 97,071.80 : x - Step 2: Convert to fraction form
136,796.12/205,266.41 = 97,071.80/x - Step 3: Cross multiply
136,796.12x = 205,266.41 × 97,071.80 - Step 4: Simplify right side
136,796.12x = 19,925,579,898.24 - Step 5: Solve for x
x = 19,925,579,898.24/136,796.12 - Step 6: Final answer
x = 145,658.96
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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.