Finding the Fourth Proportional to 136,420.20, 205,067.70 and 97,248.60
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Solution
The fourth proportional to 136,420.20, 205,067.70 and 97,248.60 is: 146,184.71
Step by Step Solution
- Step 1: Write the proportion equation
136,420.20 : 205,067.70 = 97,248.60 : x - Step 2: Convert to fraction form
136,420.20/205,067.70 = 97,248.60/x - Step 3: Cross multiply
136,420.20x = 205,067.70 × 97,248.60 - Step 4: Simplify right side
136,420.20x = 19,942,546,730.22 - Step 5: Solve for x
x = 19,942,546,730.22/136,420.20 - Step 6: Final answer
x = 146,184.71
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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.