Finding the Fourth Proportional to 109,671.60, 164,510.08 and 87,197.84
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Solution
The fourth proportional to 109,671.60, 164,510.08 and 87,197.84 is: 130,798.89
Step by Step Solution
- Step 1: Write the proportion equation
109,671.60 : 164,510.08 = 87,197.84 : x - Step 2: Convert to fraction form
109,671.60/164,510.08 = 87,197.84/x - Step 3: Cross multiply
109,671.60x = 164,510.08 × 87,197.84 - Step 4: Simplify right side
109,671.60x = 14,344,923,634.23 - Step 5: Solve for x
x = 14,344,923,634.23/109,671.60 - Step 6: Final answer
x = 130,798.89
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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.