Finding the Fourth Proportional to 136,711.70, 205,067.55 and 97,345.70
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Solution
The fourth proportional to 136,711.70, 205,067.55 and 97,345.70 is: 146,018.55
Step by Step Solution
- Step 1: Write the proportion equation
136,711.70 : 205,067.55 = 97,345.70 : x - Step 2: Convert to fraction form
136,711.70/205,067.55 = 97,345.70/x - Step 3: Cross multiply
136,711.70x = 205,067.55 × 97,345.70 - Step 4: Simplify right side
136,711.70x = 19,962,444,202.04 - Step 5: Solve for x
x = 19,962,444,202.04/136,711.70 - Step 6: Final answer
x = 146,018.55
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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.