Finding the Fourth Proportional to 134,386.90, 201,704.91 and 67,873.74
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Solution
The fourth proportional to 134,386.90, 201,704.91 and 67,873.74 is: 101,873.52
Step by Step Solution
- Step 1: Write the proportion equation
134,386.90 : 201,704.91 = 67,873.74 : x - Step 2: Convert to fraction form
134,386.90/201,704.91 = 67,873.74/x - Step 3: Cross multiply
134,386.90x = 201,704.91 × 67,873.74 - Step 4: Simplify right side
134,386.90x = 13,690,466,491.40 - Step 5: Solve for x
x = 13,690,466,491.40/134,386.90 - Step 6: Final answer
x = 101,873.52
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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.