Finding the Fourth Proportional to 133,080.90, 199,621.35 and 125,207.70
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Solution
The fourth proportional to 133,080.90, 199,621.35 and 125,207.70 is: 187,811.55
Step by Step Solution
- Step 1: Write the proportion equation
133,080.90 : 199,621.35 = 125,207.70 : x - Step 2: Convert to fraction form
133,080.90/199,621.35 = 125,207.70/x - Step 3: Cross multiply
133,080.90x = 199,621.35 × 125,207.70 - Step 4: Simplify right side
133,080.90x = 24,994,130,104.40 - Step 5: Solve for x
x = 24,994,130,104.40/133,080.90 - Step 6: Final answer
x = 187,811.55
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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.