Finding the Fourth Proportional to 125,507.60, 173,113.08 and 106,513.92
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Solution
The fourth proportional to 125,507.60, 173,113.08 and 106,513.92 is: 146,915.03
Step by Step Solution
- Step 1: Write the proportion equation
125,507.60 : 173,113.08 = 106,513.92 : x - Step 2: Convert to fraction form
125,507.60/173,113.08 = 106,513.92/x - Step 3: Cross multiply
125,507.60x = 173,113.08 × 106,513.92 - Step 4: Simplify right side
125,507.60x = 18,438,952,754.07 - Step 5: Solve for x
x = 18,438,952,754.07/125,507.60 - Step 6: Final answer
x = 146,915.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.