Finding the Fourth Proportional to 107,029.04, 147,799.36 and 80,124.84
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Solution
The fourth proportional to 107,029.04, 147,799.36 and 80,124.84 is: 110,646.61
Step by Step Solution
- Step 1: Write the proportion equation
107,029.04 : 147,799.36 = 80,124.84 : x - Step 2: Convert to fraction form
107,029.04/147,799.36 = 80,124.84/x - Step 3: Cross multiply
107,029.04x = 147,799.36 × 80,124.84 - Step 4: Simplify right side
107,029.04x = 11,842,400,072.10 - Step 5: Solve for x
x = 11,842,400,072.10/107,029.04 - Step 6: Final answer
x = 110,646.61
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1.5x scale
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.