Finding the Fourth Proportional to 124,437.06, 186,602.94 and 68,261.13
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Solution
The fourth proportional to 124,437.06, 186,602.94 and 68,261.13 is: 102,362.81
Step by Step Solution
- Step 1: Write the proportion equation
124,437.06 : 186,602.94 = 68,261.13 : x - Step 2: Convert to fraction form
124,437.06/186,602.94 = 68,261.13/x - Step 3: Cross multiply
124,437.06x = 186,602.94 × 68,261.13 - Step 4: Simplify right side
124,437.06x = 12,737,727,545.72 - Step 5: Solve for x
x = 12,737,727,545.72/124,437.06 - Step 6: Final answer
x = 102,362.81
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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.