Finding the Fourth Proportional to 158,119.80, 237,179.70 and 104,975.70
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Solution
The fourth proportional to 158,119.80, 237,179.70 and 104,975.70 is: 157,463.55
Step by Step Solution
- Step 1: Write the proportion equation
158,119.80 : 237,179.70 = 104,975.70 : x - Step 2: Convert to fraction form
158,119.80/237,179.70 = 104,975.70/x - Step 3: Cross multiply
158,119.80x = 237,179.70 × 104,975.70 - Step 4: Simplify right side
158,119.80x = 24,898,105,033.29 - Step 5: Solve for x
x = 24,898,105,033.29/158,119.80 - Step 6: Final answer
x = 157,463.55
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1.5x scale
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.