Finding the Fourth Proportional to 106,854.03, 147,525.75 and 68,628.99
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Solution
The fourth proportional to 106,854.03, 147,525.75 and 68,628.99 is: 94,751.16
Step by Step Solution
- Step 1: Write the proportion equation
106,854.03 : 147,525.75 = 68,628.99 : x - Step 2: Convert to fraction form
106,854.03/147,525.75 = 68,628.99/x - Step 3: Cross multiply
106,854.03x = 147,525.75 × 68,628.99 - Step 4: Simplify right side
106,854.03x = 10,124,543,221.49 - Step 5: Solve for x
x = 10,124,543,221.49/106,854.03 - Step 6: Final answer
x = 94,751.16
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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.