Finding the Fourth Proportional to 121,983.10, 183,084.00 and 102,116.94
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Solution
The fourth proportional to 121,983.10, 183,084.00 and 102,116.94 is: 153,266.95
Step by Step Solution
- Step 1: Write the proportion equation
121,983.10 : 183,084.00 = 102,116.94 : x - Step 2: Convert to fraction form
121,983.10/183,084.00 = 102,116.94/x - Step 3: Cross multiply
121,983.10x = 183,084.00 × 102,116.94 - Step 4: Simplify right side
121,983.10x = 18,695,976,773.46 - Step 5: Solve for x
x = 18,695,976,773.46/121,983.10 - Step 6: Final answer
x = 153,266.95
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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.