Finding the Fourth Proportional to 102,521.20, 153,781.80 and 94,226.80
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Solution
The fourth proportional to 102,521.20, 153,781.80 and 94,226.80 is: 141,340.20
Step by Step Solution
- Step 1: Write the proportion equation
102,521.20 : 153,781.80 = 94,226.80 : x - Step 2: Convert to fraction form
102,521.20/153,781.80 = 94,226.80/x - Step 3: Cross multiply
102,521.20x = 153,781.80 × 94,226.80 - Step 4: Simplify right side
102,521.20x = 14,490,366,912.24 - Step 5: Solve for x
x = 14,490,366,912.24/102,521.20 - Step 6: Final answer
x = 141,340.20
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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.