Finding the Fourth Proportional to 126,285.84, 174,297.02 and 75,301.84
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Solution
The fourth proportional to 126,285.84, 174,297.02 and 75,301.84 is: 103,929.99
Step by Step Solution
- Step 1: Write the proportion equation
126,285.84 : 174,297.02 = 75,301.84 : x - Step 2: Convert to fraction form
126,285.84/174,297.02 = 75,301.84/x - Step 3: Cross multiply
126,285.84x = 174,297.02 × 75,301.84 - Step 4: Simplify right side
126,285.84x = 13,124,886,312.52 - Step 5: Solve for x
x = 13,124,886,312.52/126,285.84 - Step 6: Final answer
x = 103,929.99
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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.