Finding the Fourth Proportional to 148,011.62, 204,252.99 and 80,943.62
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Solution
The fourth proportional to 148,011.62, 204,252.99 and 80,943.62 is: 111,700.53
Step by Step Solution
- Step 1: Write the proportion equation
148,011.62 : 204,252.99 = 80,943.62 : x - Step 2: Convert to fraction form
148,011.62/204,252.99 = 80,943.62/x - Step 3: Cross multiply
148,011.62x = 204,252.99 × 80,943.62 - Step 4: Simplify right side
148,011.62x = 16,532,976,406.42 - Step 5: Solve for x
x = 16,532,976,406.42/148,011.62 - Step 6: Final answer
x = 111,700.53
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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.