Finding the Fourth Proportional to 109,811.14, 151,539.36 and 59,510.14
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Solution
The fourth proportional to 109,811.14, 151,539.36 and 59,510.14 is: 82,123.99
Step by Step Solution
- Step 1: Write the proportion equation
109,811.14 : 151,539.36 = 59,510.14 : x - Step 2: Convert to fraction form
109,811.14/151,539.36 = 59,510.14/x - Step 3: Cross multiply
109,811.14x = 151,539.36 × 59,510.14 - Step 4: Simplify right side
109,811.14x = 9,018,128,529.11 - Step 5: Solve for x
x = 9,018,128,529.11/109,811.14 - Step 6: Final answer
x = 82,123.99
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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.