Finding the Fourth Proportional to 127,665.04, 176,199.08 and 73,982.70
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Solution
The fourth proportional to 127,665.04, 176,199.08 and 73,982.70 is: 102,108.48
Step by Step Solution
- Step 1: Write the proportion equation
127,665.04 : 176,199.08 = 73,982.70 : x - Step 2: Convert to fraction form
127,665.04/176,199.08 = 73,982.70/x - Step 3: Cross multiply
127,665.04x = 176,199.08 × 73,982.70 - Step 4: Simplify right side
127,665.04x = 13,035,683,675.92 - Step 5: Solve for x
x = 13,035,683,675.92/127,665.04 - Step 6: Final answer
x = 102,108.48
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1.5x scale
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.