Finding the Fourth Proportional to 135,106.35, 202,590.74 and 45,116.71
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Solution
The fourth proportional to 135,106.35, 202,590.74 and 45,116.71 is: 67,652.09
Step by Step Solution
- Step 1: Write the proportion equation
135,106.35 : 202,590.74 = 45,116.71 : x - Step 2: Convert to fraction form
135,106.35/202,590.74 = 45,116.71/x - Step 3: Cross multiply
135,106.35x = 202,590.74 × 45,116.71 - Step 4: Simplify right side
135,106.35x = 9,140,226,933.21 - Step 5: Solve for x
x = 9,140,226,933.21/135,106.35 - Step 6: Final answer
x = 67,652.09
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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.