Finding the Fourth Proportional to 118,869.51, 164,056.75 and 73,562.09
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Solution
The fourth proportional to 118,869.51, 164,056.75 and 73,562.09 is: 101,526.09
Step by Step Solution
- Step 1: Write the proportion equation
118,869.51 : 164,056.75 = 73,562.09 : x - Step 2: Convert to fraction form
118,869.51/164,056.75 = 73,562.09/x - Step 3: Cross multiply
118,869.51x = 164,056.75 × 73,562.09 - Step 4: Simplify right side
118,869.51x = 12,068,356,220.51 - Step 5: Solve for x
x = 12,068,356,220.51/118,869.51 - Step 6: Final answer
x = 101,526.09
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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.