Finding the Fourth Proportional to 133,119.09, 199,737.18 and 69,924.54
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Solution
The fourth proportional to 133,119.09, 199,737.18 and 69,924.54 is: 104,917.56
Step by Step Solution
- Step 1: Write the proportion equation
133,119.09 : 199,737.18 = 69,924.54 : x - Step 2: Convert to fraction form
133,119.09/199,737.18 = 69,924.54/x - Step 3: Cross multiply
133,119.09x = 199,737.18 × 69,924.54 - Step 4: Simplify right side
133,119.09x = 13,966,530,432.40 - Step 5: Solve for x
x = 13,966,530,432.40/133,119.09 - Step 6: Final answer
x = 104,917.56
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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.