Finding the Fourth Proportional to 134,438.21, 201,781.94 and 67,925.19
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Solution
The fourth proportional to 134,438.21, 201,781.94 and 67,925.19 is: 101,950.75
Step by Step Solution
- Step 1: Write the proportion equation
134,438.21 : 201,781.94 = 67,925.19 : x - Step 2: Convert to fraction form
134,438.21/201,781.94 = 67,925.19/x - Step 3: Cross multiply
134,438.21x = 201,781.94 × 67,925.19 - Step 4: Simplify right side
134,438.21x = 13,706,076,273.44 - Step 5: Solve for x
x = 13,706,076,273.44/134,438.21 - Step 6: Final answer
x = 101,950.75
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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.