Finding the Fourth Proportional to 177,125.70, 265,688.55 and 142,133.70
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Solution
The fourth proportional to 177,125.70, 265,688.55 and 142,133.70 is: 213,200.55
Step by Step Solution
- Step 1: Write the proportion equation
177,125.70 : 265,688.55 = 142,133.70 : x - Step 2: Convert to fraction form
177,125.70/265,688.55 = 142,133.70/x - Step 3: Cross multiply
177,125.70x = 265,688.55 × 142,133.70 - Step 4: Simplify right side
177,125.70x = 37,763,296,659.14 - Step 5: Solve for x
x = 37,763,296,659.14/177,125.70 - Step 6: Final answer
x = 213,200.55
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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.