Finding the Fourth Proportional to 136,417.70, 205,063.95 and 97,246.10
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Solution
The fourth proportional to 136,417.70, 205,063.95 and 97,246.10 is: 146,180.95
Step by Step Solution
- Step 1: Write the proportion equation
136,417.70 : 205,063.95 = 97,246.10 : x - Step 2: Convert to fraction form
136,417.70/205,063.95 = 97,246.10/x - Step 3: Cross multiply
136,417.70x = 205,063.95 × 97,246.10 - Step 4: Simplify right side
136,417.70x = 19,941,669,388.10 - Step 5: Solve for x
x = 19,941,669,388.10/136,417.70 - Step 6: Final answer
x = 146,180.95
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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.