Finding the Fourth Proportional to 104,530.05, 156,005.15 and 94,440.99
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Solution
The fourth proportional to 104,530.05, 156,005.15 and 94,440.99 is: 140,947.80
Step by Step Solution
- Step 1: Write the proportion equation
104,530.05 : 156,005.15 = 94,440.99 : x - Step 2: Convert to fraction form
104,530.05/156,005.15 = 94,440.99/x - Step 3: Cross multiply
104,530.05x = 156,005.15 × 94,440.99 - Step 4: Simplify right side
104,530.05x = 14,733,280,338.89 - Step 5: Solve for x
x = 14,733,280,338.89/104,530.05 - Step 6: Final answer
x = 140,947.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.