Finding the Fourth Proportional to 104,988.68, 157,307.70 and 73,768.04
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Solution
The fourth proportional to 104,988.68, 157,307.70 and 73,768.04 is: 110,528.88
Step by Step Solution
- Step 1: Write the proportion equation
104,988.68 : 157,307.70 = 73,768.04 : x - Step 2: Convert to fraction form
104,988.68/157,307.70 = 73,768.04/x - Step 3: Cross multiply
104,988.68x = 157,307.70 × 73,768.04 - Step 4: Simplify right side
104,988.68x = 11,604,280,705.91 - Step 5: Solve for x
x = 11,604,280,705.91/104,988.68 - Step 6: Final answer
x = 110,528.88
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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.