Finding the Fourth Proportional to 136,970.28, 205,520.58 and 94,915.08
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Solution
The fourth proportional to 136,970.28, 205,520.58 and 94,915.08 is: 142,417.77
Step by Step Solution
- Step 1: Write the proportion equation
136,970.28 : 205,520.58 = 94,915.08 : x - Step 2: Convert to fraction form
136,970.28/205,520.58 = 94,915.08/x - Step 3: Cross multiply
136,970.28x = 205,520.58 × 94,915.08 - Step 4: Simplify right side
136,970.28x = 19,507,002,292.35 - Step 5: Solve for x
x = 19,507,002,292.35/136,970.28 - Step 6: Final answer
x = 142,417.77
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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.