Finding the Fourth Proportional to 106,608.93, 147,120.63 and 58,210.95
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Solution
The fourth proportional to 106,608.93, 147,120.63 and 58,210.95 is: 80,331.28
Step by Step Solution
- Step 1: Write the proportion equation
106,608.93 : 147,120.63 = 58,210.95 : x - Step 2: Convert to fraction form
106,608.93/147,120.63 = 58,210.95/x - Step 3: Cross multiply
106,608.93x = 147,120.63 × 58,210.95 - Step 4: Simplify right side
106,608.93x = 8,564,031,636.90 - Step 5: Solve for x
x = 8,564,031,636.90/106,608.93 - Step 6: Final answer
x = 80,331.28
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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.