Finding the Fourth Proportional to 99,274.44, 136,864.58 and 67,387.98
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Solution
The fourth proportional to 99,274.44, 136,864.58 and 67,387.98 is: 92,904.35
Step by Step Solution
- Step 1: Write the proportion equation
99,274.44 : 136,864.58 = 67,387.98 : x - Step 2: Convert to fraction form
99,274.44/136,864.58 = 67,387.98/x - Step 3: Cross multiply
99,274.44x = 136,864.58 × 67,387.98 - Step 4: Simplify right side
99,274.44x = 9,223,027,579.75 - Step 5: Solve for x
x = 9,223,027,579.75/99,274.44 - Step 6: Final answer
x = 92,904.35
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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.