Finding the Fourth Proportional to 134,001.84, 201,007.20 and 67,405.68
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Solution
The fourth proportional to 134,001.84, 201,007.20 and 67,405.68 is: 101,110.75
Step by Step Solution
- Step 1: Write the proportion equation
134,001.84 : 201,007.20 = 67,405.68 : x - Step 2: Convert to fraction form
134,001.84/201,007.20 = 67,405.68/x - Step 3: Cross multiply
134,001.84x = 201,007.20 × 67,405.68 - Step 4: Simplify right side
134,001.84x = 13,549,027,000.90 - Step 5: Solve for x
x = 13,549,027,000.90/134,001.84 - Step 6: Final answer
x = 101,110.75
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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.