Finding the Fourth Proportional to 106,851.09, 159,868.58 and 93,424.94
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Solution
The fourth proportional to 106,851.09, 159,868.58 and 93,424.94 is: 139,780.63
Step by Step Solution
- Step 1: Write the proportion equation
106,851.09 : 159,868.58 = 93,424.94 : x - Step 2: Convert to fraction form
106,851.09/159,868.58 = 93,424.94/x - Step 3: Cross multiply
106,851.09x = 159,868.58 × 93,424.94 - Step 4: Simplify right side
106,851.09x = 14,935,712,494.39 - Step 5: Solve for x
x = 14,935,712,494.39/106,851.09 - Step 6: Final answer
x = 139,780.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.