Finding the Fourth Proportional to 106,530.62, 147,012.95 and 58,135.95
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Solution
The fourth proportional to 106,530.62, 147,012.95 and 58,135.95 is: 80,228.00
Step by Step Solution
- Step 1: Write the proportion equation
106,530.62 : 147,012.95 = 58,135.95 : x - Step 2: Convert to fraction form
106,530.62/147,012.95 = 58,135.95/x - Step 3: Cross multiply
106,530.62x = 147,012.95 × 58,135.95 - Step 4: Simplify right side
106,530.62x = 8,546,737,655.89 - Step 5: Solve for x
x = 8,546,737,655.89/106,530.62 - Step 6: Final answer
x = 80,228.00
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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.