Finding the Fourth Proportional to 99,232.17, 136,864.95 and 68,656.14
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Solution
The fourth proportional to 99,232.17, 136,864.95 and 68,656.14 is: 94,693.28
Step by Step Solution
- Step 1: Write the proportion equation
99,232.17 : 136,864.95 = 68,656.14 : x - Step 2: Convert to fraction form
99,232.17/136,864.95 = 68,656.14/x - Step 3: Cross multiply
99,232.17x = 136,864.95 × 68,656.14 - Step 4: Simplify right side
99,232.17x = 9,396,619,168.29 - Step 5: Solve for x
x = 9,396,619,168.29/99,232.17 - Step 6: Final answer
x = 94,693.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.