Finding the Fourth Proportional to 124,403.07, 186,331.06 and 102,811.08
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Solution
The fourth proportional to 124,403.07, 186,331.06 and 102,811.08 is: 153,990.55
Step by Step Solution
- Step 1: Write the proportion equation
124,403.07 : 186,331.06 = 102,811.08 : x - Step 2: Convert to fraction form
124,403.07/186,331.06 = 102,811.08/x - Step 3: Cross multiply
124,403.07x = 186,331.06 × 102,811.08 - Step 4: Simplify right side
124,403.07x = 19,156,897,516.14 - Step 5: Solve for x
x = 19,156,897,516.14/124,403.07 - Step 6: Final answer
x = 153,990.55
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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.