Finding the Fourth Proportional to 101,060.99, 151,696.63 and 74,437.05
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Solution
The fourth proportional to 101,060.99, 151,696.63 and 74,437.05 is: 111,733.02
Step by Step Solution
- Step 1: Write the proportion equation
101,060.99 : 151,696.63 = 74,437.05 : x - Step 2: Convert to fraction form
101,060.99/151,696.63 = 74,437.05/x - Step 3: Cross multiply
101,060.99x = 151,696.63 × 74,437.05 - Step 4: Simplify right side
101,060.99x = 11,291,849,632.14 - Step 5: Solve for x
x = 11,291,849,632.14/101,060.99 - Step 6: Final answer
x = 111,733.02
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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.