Finding the Fourth Proportional to 109,752.58, 164,457.15 and 84,853.99
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Solution
The fourth proportional to 109,752.58, 164,457.15 and 84,853.99 is: 127,148.22
Step by Step Solution
- Step 1: Write the proportion equation
109,752.58 : 164,457.15 = 84,853.99 : x - Step 2: Convert to fraction form
109,752.58/164,457.15 = 84,853.99/x - Step 3: Cross multiply
109,752.58x = 164,457.15 × 84,853.99 - Step 4: Simplify right side
109,752.58x = 13,954,845,361.53 - Step 5: Solve for x
x = 13,954,845,361.53/109,752.58 - Step 6: Final answer
x = 127,148.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.