Finding the Fourth Proportional to 119,489.48, 164,876.20 and 68,492.84
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Solution
The fourth proportional to 119,489.48, 164,876.20 and 68,492.84 is: 94,509.07
Step by Step Solution
- Step 1: Write the proportion equation
119,489.48 : 164,876.20 = 68,492.84 : x - Step 2: Convert to fraction form
119,489.48/164,876.20 = 68,492.84/x - Step 3: Cross multiply
119,489.48x = 164,876.20 × 68,492.84 - Step 4: Simplify right side
119,489.48x = 11,292,839,186.41 - Step 5: Solve for x
x = 11,292,839,186.41/119,489.48 - Step 6: Final answer
x = 94,509.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.